British government tells Libyan envoy Gaddafi must go

A Libyan envoy has been in London for secret talks with British officials. Mohammed Ismail is a close aide of one of Colonel Gadaafi's sons.

The government won't reveal the substance of the talks other than to say that the envoy was told Gaddafi must go.

James Robbins looks at the diplomatic manoeuvres being used to try to break the stalemate in Libya.