Five terror suspects including Abu Hamza al-Masri have left jail to begin extradition to the US after losing the last appeal in a long legal battle.The High Court ruled Hamza, Babar Ahmad, Syed Talha Ahsan, Adel Abdul Bary and Khaled al-Fawwaz did not show "new and compelling" reasons to stay.
The men left Long Lartin prison in Worcestershire in a police convoy.
Officers from the Metropolitan Police's extradition unit will hand them over US marshals at RAF Mildenhall in Suffolk.
The BBC understands a US Department of Justice-owned civilian Gulfstream jet has been on the tarmac at the base since Tuesday, having flown in from Washington that day.
A second civilian plane, a Dassault Falcon 900, flew into the airbase in the early hours of this morning from Westchester County in New York state, but close to the border with Connecticut, where Babar Ahmad and Syed Talha Ahsan are expected to be tried.