Allied strikes on Libya will continue until its leader, Muammar Gaddafi, meets UN terms, US Secretary of State Hillary Clinton has told world leaders.

Some 40 delegations met in London to discuss the next steps for Libya amid UN-backed military action.

Forces opposed to Col Gaddafi, helped by foreign air strikes, have made rapid progress in recent days but pro-Gaddafi forces are now pushing them back.

James Robbins reports.