This has been CNBC's live blog covering updates on the war in Ukraine. [Follow the latest updates here.]
Heavy shelling in eastern Ukraine continues, as Kherson, Bakhmut and Donetsk have reported multiple injuries and at least one death.
Meanwhile, a new report from the Conflict Observatory, in partnership with Yale University's Humanitarian Research Lab, alleges Russia has forced more than 6,000 Ukrainian children into "re-education" camps.
The report, titled "Russia's systematic program for the re-education and adoption of Ukraine's children," outlines what it calls the Kremlin's systematic efforts to abduct children, prevent their return to Ukraine and "re-educate" them to become pro-Russia.
NATO members are also in Brussels for their last day of talks, during which they pledged to continue support for Ukraine. Still, despite months of pleas from Kyiv for fighter jets, getting them appears unlikely.
More than 16,000 children forcibly moved to Russia, Ukrainian official says
Daria Herasymchuk, commissioner of the President of Ukraine for Children's Rights and Rehabilitation, said that Russian forces have forcibly removed more than 16,000 children from Ukraine.
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"We cannot forgive the fate of more than 16,000 children who were forcibly removed from the territory of Ukraine. Actually stolen. And these are only those we know for sure," Herasymchuk said, adding that the number of missing children could be higher.
"There are no accurate data on the number of forcibly displaced and deported children since we do not have any diplomatic relations with Russia and Russia refuses to communicate not only with us but also with international organizations about Ukrainian children," she added in remarks announcing a new portal that will help Ukrainians track and report crimes against children.
The platform, dubbed "Children of War," was established at the direction of Ukrainian President Volodymyr Zelenskyy and aims to quickly collect and report information about children lost, displaced or deported during the war.
— Amanda Macias
Russia's lost about half of its best tanks in Ukraine war
Russia's estimated to have lost about half of its mightiest battle tanks in its unprovoked war against Ukraine, according to the International Institute for Strategic Studies.
Russia's pre-invasion fleet of T-72B3 and T-72B3M main battle tanks stands at about 50% of its pre-invasion levels, and it has about a third of its pre-war fleet of T-80BV and T-80BU tanks, according to the British group.
"Industrial production continues but remains slow, forcing Moscow to rely on its older stored weapons as attrition replacements," said John Chipman, International Institute for Strategic Studies Director-General and Chief Executive, during a launch event of the annual Military Balance report.
Meanwhile, Ukraine's military is able to strike at longer ranges with its arsenal of Western weapons.
"Ukraine's forces also demonstrate adaptation in war and decentralization of command. While threats from Russian artillery have forced Ukraine's artillery to disperse to avoid destruction, persistent battlefield surveillance and improved communications have nonetheless enabled Ukrainians to effectively concentrate their artillery fire," Chipman said.
— Amanda Macias
Secretary Austin says Iran is working to extend Russia's war in Ukraine
Secretary of Defense Lloyd Austin told NBC News that Iran is working to extend Russia's war in Ukraine by supplying the Kremlin with additional weapons.
"I think Iran is working to extend this conflict unnecessarily and inflict casualties on civilians," Austin told NBC's Courtney Kube on the sidelines of the NATO defense ministerial.
Austin added that so far the U.S. has identified Iranian drones used by Russian forces in Ukraine but has not seen Iranian ballistic missiles yet.
"We don't put it past Russia to request that from Iran. I think the Ukrainians will soon be getting some Patriot batteries and I think that will be very helpful in addressing any capabilities like that in the future," Austin said, adding that the Kremlin has also reached out to North Korea for weapons as well.
— Amanda Macias
Stoltenberg reiterates that the 30-member alliance will 'defend every inch of NATO territory'
NATO Secretary General Jens Stoltenberg met with Polish President Andrzej Duda at the alliance headquarters in Brussels, Belgium.
Stoltenberg reiterated that the 30-member strong alliance will "stand together to protect and defend every inch of NATO territory."
Since Russia's full-scale invasion nearly a year ago, NATO allies have expanded surveillance operations and deterrence missions along Poland's border with Ukraine.
— Amanda Macias
Bipartisan lawmakers visit Poland and Romania as U.S. aid flows to Ukraine
U.S. Rep. Mike Rogers, R-Ala., chairman of the House Armed Services Committee, led a bipartisan delegation of lawmakers to Romania and Poland as they push for oversight on U.S. military equipment and aid donated to Ukraine.
“The American people have every right to know that U.S. military equipment donated to Ukraine is being used for its intended purpose – Ukraine’s fight for national survival," the U.S. delegation wrote in a statement following the trip.
During the nearly week-long trip, the group of lawmakers received a briefing from U.S. defense officials on how the U.S. military tracks equipment and aid before delivery to Ukrainian forces.
"We came away with a clear understanding of the various safeguards the U.S. government, in partnership with the Ukrainians and other nations, have put in place to ensure each article is accounted for and tracked to the frontline of the war," wrote U.S. Reps. John Garamendi, D-Calif., Donald Norcross, D-N.J., Lisa McClain, R-Mich., Andrew Clyde, R-Ga., Nicole Malliotakis, R-N.Y., Mark Alford, R-Mo., and Rogers.
"Our job of oversight is not done and we will continue to monitor U.S. equipment flowing into Ukraine," the lawmakers added.
— Amanda Macias
Zelenskyy meets with Swedish counterpart in Kyiv to discuss future weapons
Ukrainian President Volodymyr Zelenskyy met with Sweden's Prime Minister Ulf Kristersson in Kyiv to discuss future military aid.
Kristersson pledged to rush the Archer artillery cannons, 51 infantry fighting vehicles and anti-tank weapons to Ukraine "as soon as possible."
The latest promised package of Swedish military aid comes as Ukraine is fiercely clinging to territory in the east of the country against renewed Russian action.
— Amanda Macias
Ukrainian troops on the frontlines in Donbass
Ukrainian servicemen of the 93rd brigade defend against Russia on the frontlines in Bakhmut.
- Getty Images
Russia to call UN Security Council meeting to discuss 'sabotage' of Nord Stream gas pipeline
Russian First Deputy Permanent Representative to the United Nations said via Telegram that he will call a meeting of the international body's Security Council next week.
The purpose of the meeting will be to address "sabotage" of the Nord Stream gas pipeline, according to an NBC News translation of a Telegram post.
Last week, American journalist Seymour Hersh accused the Biden administration of carrying out an operation that led to explosions of the undersea Nord Stream gas pipelines.
— Amanda Macias
UN agencies seek $5.6 billion to help Ukrainian refugees abroad
The U.N.'s humanitarian aid and refugee agencies said they are seeking $5.6 billion to help millions of people in Ukraine and countries that have taken in fleeing Ukrainians in the wake of Russia's invasion of their country nearly a year ago.
The bulk of the joint appeal — $3.9 billion — is for the Office for the Coordination of Humanitarian Affairs, which aims to help more than 11 million people by funneling funds through more than 650 partner organizations.
Refugee agency UNHCR, meanwhile, is seeking $1.7 billion to help some 4.2 million refugees who have fled to 10 host countries in eastern and central Europe.
The joint appeal, one of the largest of its kind for a single country, could draw a large outpouring of funds from Western countries, as a similar appeal did since the war began. Such U.N. appeals rarely get fully funded.
— Associated Press
Four ships leave Ukrainian ports under Black Sea Grain Initiative
Four vessels carrying more than 93,944 metric tons of grain and other food products have left Ukrainian ports, the organization overseeing the export of agricultural products from the country said.
The ships are destined for Spain, Turkey, Italy and the United Kingdom and are carrying corn and sunflower meal.
The Black Sea Grain Initiative, a deal brokered in July among Ukraine, Russia, Turkey and the United Nations, eased Russia's naval blockade and saw three key Ukrainian ports reopen.
So far, more than 700 ships have sailed from Ukrainian ports.
— Amanda Macias
Six Russian balloons identified over Kyiv, Ukrainian military says
The Kyiv city military administration said at least six Russian aerial objects were detected in the airspace above the city.
"These objects could carry corner reflectors and certain intelligence equipment. Air defense equipment fired at all air targets," the Ukrainian office said on Telegram, according to an NBC News translation.
The office added that most of the balloons were shot down and that the "purpose of launching the balloons was possibly to detect and exhaust our anti-aircraft defense."
"The final determination of the type and characteristics of the aircraft and their equipment will be made after a detailed study and analysis of the remains of the downed objects," the Ukrainian office added.
— Amanda Macias
Russia denies that its forces move Ukrainian children to camps for adoption and military training
The Russian Embassy in Washington called allegations made on Wednesday by the State Department that Russian troops forcibly transfer and deport Ukrainian children "absurd."
"We do our best to keep minors in families, and in case of absence or death of parents and relatives - to transfer orphans under guardianship. We ensure the protection of their lives and well-being," Russian spokesman Igor Girenko wrote in a statement to CNBC.
In addition to denying allegations detailed in a stunning 35-page report supported by the State Department, the Russian Embassy blamed Western weapons for the deaths of at least 153 Ukrainian children.
Tuesday's report entitled "Russia's systematic program for the re-education and adoption of Ukraine's children," outlines the Kremlin's systematic efforts to abduct children, prevent their return to Ukraine and "re-educate" them to become pro-Russia.
The report says that Russian forces have moved at least 6,000 Ukrainian children to camps and facilities across Russia for forced adoptions and military training.
Read the full story here.
— Amanda Macias
EU and G-7 embargoes on Russian oil are having the 'intended effect,' IEA says
European Union bans on Russian oil and oil product exports are having the "intended effect" on Russian oil production despite continued flows into the continent, according to Toril Bosoni, head of the oil industry and markets division at the International Energy Agency.
The bloc's embargo on Russian oil products came into effect on Feb. 5, building on the $60 oil price cap implemented by the G-7 on Dec. 5.
Bosoni told CNBC on Wednesday that Russia had rerouted a lot of the crude that previously went to Europe to new markets in Asia, with China, India and Turkey in particular ramping up purchases despite Russian crude exports to Europe dropping by 400,000 barrels a day in January.
However, she said Moscow has not been able to reallocate the trade of oil products in the same way as it has crude exports, which is why the IEA expects exports and production to fall further in the coming months.
"The price cap was put in place to allow for Russian oil to continue to flow to market, but at the same time reducing Russian revenues. Even though Russian production is coming to market, we're seeing that the revenues that Russia receives from its oil and gas have really come down," Bosoni said.
"For instance in January, export revenues for Russia were about $13 billion, that's down 36% from a year ago," she said. "Russian fiscal receipts from the oil industry is down 48% in the year, so in that sense we can say that the price cap is having its intended effect."
She also highlighted the growing discrepancy between Russian Urals crude prices and international benchmark Brent crude. The former averaged $49.48 per barrel in January, according to the Russian Finance Ministry, while Brent was trading just below $85 a barrel on Wednesday.
— Elliot Smith
NATO will step up support for Bosnia, Georgia, Moldova
NATO will step up support for Ukraine and other partners at risk, namely Bosnia and Herzegovina, Georgia, and Moldova, it said in a statement after a meeting of the alliance's members in Brussels.
NATO Secretary-General Jens Stoltenberg hailed pledges of continued and doubled-down support for Ukraine by members of the 30-country alliance, including "more heavy weapons and military training," the statement said.
The meeting included approving new guidelines for NATO defense planning, which Stoltenberg said "reflects the reality that we live in a more dangerous world. With Russia's aggressive behavior, the persistent threat of terrorism, and the challenges posted by China."
"It will drive the capability changes for the years to come," he added. "And ensure that our deterrence and defense remain strong and credible."
— Natasha Turak
Russia's upper chamber of parliament will hold an extraordinary session on Feb. 22
The upper chamber of Russia's parliament, the Federal Council, will conduct an extraordinary session on Feb. 22, almost exactly one year since the start of Russia's full-scale invasion of Ukraine, state news outlet RIA Novosti reported.
The meeting will focus on laws integrating four annexed regions of Ukraine into Russia, RIA cited a lawmaker as saying. Russian President Vladimir Putin announced the annexation of the four regions — Donetsk, Luhansk, Zaporizhzhia and Kherson — in late September of 2022. The annexation of the territories is illegal under international law and has not been recognized by any international bodies.
Putin is scheduled to deliver his annual address to the Federal Assembly, which constitutes the Russian parliament's upper and lower chambers, on Feb. 21.
— Natasha Turak
Popular support in U.S. for providing weapons to Ukraine has dipped, survey says
Support among Americans for providing weapons and military support to Ukraine has waned somewhat since the immediate months following Russia's full-scale invasion in February of last year.
The survey, conducted by the Associated Press-NORC Center for Public Affairs Research, found that 48% of respondents favor the U.S. giving Ukraine weapons, down from 60% in May 2022. Currently 29% of U.S. adults and oppose the assistance and 22% don't have a position on it, according to the poll.
There is a roughly even divide among Americans on providing direct financial funds to Ukraine, with 37% in support of it and 38% opposed. Twenty-three percent of Americans surveyed said they neither support nor oppose it.
Military and financial support for Ukraine is gradually becoming more contentious as far-right politicians and pundits slam the Biden administration's position and some show sympathy for Russian President Vladimir Putin.
U.S. President Joe Biden says frequently that Washington will stand by Ukraine for "as long as it takes." Over the course of 2022, Congress authorized roughly $24.9 billion in military assistance to the country, according to the State Department, along with another roughly $25 billion in humanitarian and financial assistance.
— Natasha Turak
Air raid alerts ring out over Kyiv
Air raid sirens are ringing out over Kyiv and neighboring Cherkasy, activated after Russian attacks were detected, local official channels reported.
"An enemy air target was detected in the skies over Kyiv city," Kyiv's military administration posted via its Telegram channel. It advised all residents in the Kyiv and Cherkasy region to seek shelter and stay calm.
— Natasha Turak
Finland's defense minister advocates for Sweden and Finland to join NATO simultaneously
It's better for NATO if Sweden and Finland join the alliance at the same time rather than separately, Finnish Defense Minister Mikko Savola said during a NATO meeting in Brussels.
The comments come a day after NATO Secretary-General Jens Stoltenberg said that the Nordic countries joining quickly was more important than joining simultaneously.
"It's better for Finland, better for Sweden, and also for NATO, that we both become members as soon as possible," Savola was quoted by Reuters as saying.
"It is better for the planning, we have really close cooperation with Sweden, which is our closest partner."
The Nordic neighbors formally applied to join NATO in May of last year in the wake of Russia's full-scale invasion of Ukraine, in a historic shift from their traditionally non-aligned positions. The accession of new members requires the acceptance of all existing coalition allies. Turkey and Hungary are the only states that have yet to give their approvals.
— Natasha Turak
British man killed in Ukraine named as Jonathan Shenkin
A British man who was killed in Ukraine while working there as a paramedic has been named as Jonathan Shenkin, Sky News reported.
Forty-five-year-old Shenkin, from Glasgow, was killed in December. He is one of eight U.K. citizens known to have died in Ukraine since Russia launched its full-scale invasion of the country in February 2022.
In social media posts, Shenkin's family described him as a "hero" who died "in an act of bravery as a paramedic," according to Sky.
"On enlisting in the Armed Forces of Ukraine, he made the ultimate sacrifice to defend values we all believe in. He is survived by his son and daughter, to whom he was devoted," the tribute post wrote, adding that he was awarded the medal for "Valour in Combat" for his work in Ukraine.
Earlier in his life, Shenkin served in the Israeli army and later founded his own security company which took him to conflict zones including Afghanistan, Iraq and Somalia.
— Natasha Turak
European Commission outlines new sanctions package against Russia targeting exports, oligarchs
European Commission President Ursula von der Leyen announced details of the EU's tenth sanctions package against Russia for its war in Ukraine, which is subject to the approval of EU member countries. The restrictions target export bans worth 11 billion euros ($11.78 billion), exports of dual use and advanced tech goods, as well as Russian propagandists.
The sanctions feature new measures to prevent circumvention, von der Leyen said in a statement, including tracking oligarchs who try to "hide or sell their assets" to escape sanctions.
"We now have in place the toughest sanctions ever introduced by the European Union. And we have to ensure that they are rigorously applied," the statement said.
"We will track oligarchs trying to hide or to sell their assets to escape sanctions. And together with Member States we will set up an overview of all frozen assets of the Russian central bank held in the EU. We need to know where these are located and how much they are worth. This is crucial in view of the possible use of public Russian assets to fund reconstruction in Ukraine."
"Together, we are tightening the screws on Russia more and more," von der Leyen said, calling on member states to swiftly adopt the package. "Our aim is to have, together with our G7 partners, further significant sanctions in place by 24 February — exactly one year after Putin launched his imperial war."
— Natasha Turak
UK defense minister pours cold water on Ukraine's fighter jet hopes
British Defense Minister Ben Wallace dampened hopes of fighter jets for Ukraine, something its leaders have been urgently requesting for months.
Wallace outlined the complications involved in providing fighter jets as opposed to land-based systems, including the large amount of training and maintenance staff that would be needed for such an effort.
"I don't think it's going to be in the next few months, or even years, that we are going to necessarily hand over fighter jet, because they are very different weapons systems to you know, handheld anti-tank missiles," Wallace told the BBC from Brussels.
"These aircraft come with not only huge sort of capability challenges, you know, you just can't learn to fly in a week or two, it will take a long time."
He added that the jets also "come with a pit crew like a Formula One team, you know, they come with hundreds of engineers and pilots. And that's not something you can just generate in a few months, and we're not going to deploy 200 RAF personnel into Ukraine at a time of war."
— Natasha Turak
Russian forces have relocated at least 6,000 Ukrainian children to camps since start of war: report
Russian forces have moved at least 6,000 Ukrainian children to camps and facilities across Russia for forced adoptions and military training, according to a new report.
The allegations detailed in the 35-page report, such as the abduction or detention of children, may constitute war crimes or crimes against humanity. The allegations were detailed by the Conflict Observatory, a program supported by the U.S. State Department.
The report, entitled "Russia's systematic program for the re-education and adoption of Ukraine's children," took more than a year to produce. It outlines what it calls the Kremlin's systematic efforts to abduct children, prevent their return to Ukraine and "re-educate" them to become pro-Russia.
About three-fourths of the camps appear to "expose children from Ukraine to Russia-centric academic, cultural, patriotic, and/or military education ... with the apparent goal of integrating children from Ukraine into the Russian government's vision of national culture, history and society," the authors of the report wrote.
— Amanda Macias
Pentagon awards Northrop Grumman Army contract for more ammunition
The Pentagon awarded Northrop Grumman and Global Military Products Inc., a contract worth more than $522 million for the manufacture and delivery of 155 mm artillery ammunition. The U.S. Army contract is funded by the Ukraine Security Assistance Initiative.
"This is an example of the Army's continued commitment to continue working closely with industry to support the Ukraine Security Assistance Initiative and award replacement contracts as quickly as possible, using undefinitized contract actions, indefinite delivery/indefinite quantity contracts, and other tools that accelerate acquisition timelines," the Pentagon wrote in a statement.
— Amanda Macias
Two ships leave Ukrainian ports under Black Sea Grain Initiative
Two vessels carrying more than 81,000 metric tons of grain and other food products have left Ukrainian ports, the organization overseeing the export of agricultural products from the country said.
The ships are destined for China and India and are carrying sunflower oil and sunflower meal.
The Black Sea Grain Initiative, a deal brokered in July among Ukraine, Russia, Turkey and the United Nations, eased Russia's naval blockade and saw three key Ukrainian ports reopen.
So far, more than 700 ships have sailed from Ukrainian ports.
— Amanda Macias
Read CNBC's previous live coverage here:
Ukraine’s allies promise more aid; Kyiv presses for fighter jets
