World powers are meeting in London to try to map out the political future for a Libya without leader Moammar Gaddafi. Some 40 delegations – from the coalition, the UN, Nato, the African Union and Arab League are taking part in the conference, which is aimed at seeking a plan for Gaddafi's exit from power. Opening the conference, British Prime Minister David Cameron said all those attending wanted to help the Libyan people in their hour of need and enable them to create a future free from violence and free from oppression. He said the attendees must reaffirm their commitment to the UN resolution on Libya, ensure the fast delivery of humanitarian aid and help the Libyan people plan for a post-conflict future. UN Secretary General Ban Ki-moon praised the speed with which the international community had responded to the crisis, saying the transition to a democratic government and society in Libya will take time and the support of all. US Secretary of State Hillary Clinton said the military action would continue until Col Gaddafi complied with the terms of the UN resolution. Speaking ahead of the conference, British Foreign Secretary William Hague had said he wanted Col Gaddafi to leave power and face trial at the International Criminal Court. Libyan Deputy Foreign Minister Khaled Kaim has called on those attending the conference to act as peacemakers, not warmongers.