The US attorney's office in Washington has said that the Libyan militia leader suspected in the 2012 attack on the American diplomatic mission in Benghazi that killed four Americans is in federal custody.
A spokesman said: "Ahmed Abu Khatallah is in law enforcement custody," but would not say where he was being held. US officials said Khattallah was expected to arrive in America over the weekend.
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Uplifting messages greeted commuters on the London Underground a day after the terror attack in Westminster.
Faith leaders from across London say religious communities will "stand together" in the wake of the Westminster terror attack.
Pc Keith Palmer was among the three people killed yesterday in the Westminster terror attack.