Police : David Jones is among those arrested on suspicion of Syria - related offenses . Police : He 's suspected of attending a terrorist training camp , and overseas terrorism . He spent nearly three years at the airbase and the Guantanamo Bay prison camp . He was released in 2005 and sent back to Britain .
Police : Moazzam Begg is among four arrested on suspicion of Syria-related offenses . Police : He 's suspected of attending a terrorist training camp , aiding overseas terrorism . Begg spent nearly three years at Bagram airbase and the Guantanamo Bay prison camp . He was released in 2005 and sent back to Britain .