David Cameron has added his weight to the growing international pressure on Col Muammar Gaddafi to step down amid widespread protests against his regime.
The prime minister urged the Libyan leader to "go now" and said the country had no future "that includes him".
The UK has frozen his British-held assets and those of his family, and withdrawn their diplomatic immunity.
On Sunday, an RAF Hercules came under small-arms fire rescuing oil workers - including 20 Britons - from the desert.
http://www.bbc.co.uk/news/uk-12593648
Note: 28 February 2011 Last updated at 09:19 GMT