A British woman detained in Turkey on suspicion of attempting to join ISIS was scheduled to be deported back to London on Thursday, Turkish police told NBC News. Police officials in Ankara and Istanbul said the 21-year-old, identified only by the initials J.N.H., would be flown to London via Istanbul on Thursday. The woman was apprehended and detained by security forces at a bus terminal in the capital Ankara on Monday, according to police, who said she was planning to travel to Syria. The woman's detention came days after three British teenagers were stopped by officials in Istanbul on suspicion of planning to join ISIS.