Libya's foreign minister has arrived in the UK after defecting from Colonel Gaddafi's regime, according to reports.

Questions were earlier raised about the whereabouts of Moussa Koussa, after he was reported by a Tunisian news agency to have headed to London on a flight from the country.
A Libyan government spokesman later said he had not defected and was on a "diplomatic mission", but declined to say where he was going.
Another report said he had already arrived in Britain seeking refuge.
But the British Foreign Office has declined to say whether it was aware of the development.
Meanwhile, there are reports CIA agents were authorised to carry out covert missions to help rebel forces keen to oust Libyan leader Colonel Gaddafi.
President Barack Obama is said to have signed an order - known as a "finding" - for the secret operations in the past two or three weeks.
It came to light after US officials spoke to reporters following a briefing with senior members of the Obama administration, including Secretary of State Hillary Clinton. The CIA and the White House have declined to comment.
However, it emerged after Libya's rebel forces were forced out of the key oil town of Ras Lanuf by a barrage of tank and artillery fire from troops loyal to Colonel Gaddafi.
Anti-government fighters retreated by 100 miles in just a few hours as Nato planes bombarded Col Gaddafi's forces.
In the latest blow to morale for the outgunned insurgents, they have have been driven back from positions they had occupied in the past few days, including Bin Jawad.
Some fighters, mostly armed with light weapons and riding on 4x4 pick-ups, said they had been overwhelmed by the superior firepower and range of Gaddafi's weaponry.

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