Moazzam Begg held by UK police in Syria terror probe
25 February 2014 Last updated at 12:31 GMT
Former Guantanamo Bay detainee Moazzam Begg is one of four people who have been arrested on suspicion of Syria-related terrorism offences, police have said.
Mr Begg, 45, who was held by the US authorities for almost three years, was detained on Tuesday morning along with two other men and a woman in the West Midlands.
The BBC's June Kelly has more details.