The lawyers representing Libyan military commander Abdel Hakim Belhadj say they have sent Labour MP Jack Straw a letter to ask him to respond to reports that he personally signed documents that allowed Belhadj to be sent back to Libya in 2004.
Straw is facing similar legal action from fellow Libyan and Gaddafi opponent Sami Al Saadi who was also sent back into the hands of the regime in 2004.
More top news
The PM was threatened with a fresh challenge from pro-Europe Conservative backbenchers after a marathon Brexit 'war cabinet' at Chequers.
Three others died on the day of a sightseeing helicopter accident at the Grand Canyon.
The former Manchester United striker told has told ITV News he is campaigning to change the law to an opt-out system.