Abdelhakim Belhaj was captured by the CIA in 2004 and forcibly returned to Libya's notorious Abu Salim prison
Tripoli's military commander Abdelhakim Belhaj answers questions during a press conference in January 2012. Belhaj and Sami al-Saadi -- who both claim Britain's complicity in their torture by Moamer Kadhafi's regime -- are taking legal action against former British foreign secretary Jack Straw, their lawyers have said.