Twenty-one years ago, an anti-government militant bombed the Alfred P. Murrah Federal Building in Oklahoma City, killing 168 people and injuring over 650. The bombing was the worst terrorist attack on U.S. soil until Sept. 11, 2001. The images here show the pain, frustration, anger, strength and hope that surrounded the bombing and its aftermath.
Dawn breaks over the Oklahoma National Memorial on the day of Timothy McVeigh''s execution June 11, 2001 in Oklahoma City, Oklahoma.
The domestic terrorist bombing of the Alfred P. Murrah Federal Building in Oklahoma City on April 19, 1995, killed 168 people.
Justin Flagg, 7, gets a hug from his father, Lee, as he sits on the trunk of an Oklahoma trooper police car May 2, 1995, at the site of bombing. The Flagg family came to Oklahoma City to bring 4,000 teddy bears they collected as a gesture of solidarity with survivors and people affected by the car-bomb explosion.
A rescue worker gives a thumbs up sign to a crane operator lifting concrete rubble on April 24, 1995, as rescue efforts continued Federal Building bomb site.
Timothy McVeigh, 27, is led from the Noble County Courthouse by FBI agents on April 21, 1995, after being charged in the bombing.
Then-first lady Hillary Clinton and President Bill Clinton listen to a speech during a prayer service on April 23, 1995, for the families of victims of the April 19 attack. The service was held at the Oklahoma City State Fair Arena in Oklahoma City.
Workers cut through the ruble at the Federal Building with a saw April 29, 1995.
Marsha Kight of Oklahoma City testifies to the Senate Committee on the Judiciary on Capitol Hill April 16, 1997, during a hearing about a constiutional amendment to protect the rights of violent crime victims. Kight's daughter was killed in the Oklahoma City bombing and Kight was distressed by her inability to testify in the McVeigh's trial.
Families and friends of victims gather at the Oklahoma City National Memorial dedication ceremonies April 19, 2000.
Greg Leasure mourns at the Oklahoma National Memorial chair representing his sister Mary Leasure-Rentie, on June 11, 2001, as visited the memorial before Timothy McVeigh was executed that night.
EMPTY_CAPTION"Field of Empty Chairs," part of the Oklahoma City National Memorial, seen on January 20, 2006. The chairs represent each of the victims who died as a result of the attack on the Alfred P. Murrah Federal Building.
Dawn breaks over the Oklahoma National Memorial on the day of Timothy McVeigh's execution, June 11, 2001.
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A report of the McVeigh's execution is flashed on a news ticker in Times Square.
A visitor looks at the faces of the victims of the 1995 bombing at the Oklahoma National Memorial on June 11, after McVeigh's execution.