Revolutions in the Arab world
Officials in Libya's transitional government say Moammar Khadafy has been captured and possibly killed in the fall of his hometown of Sirte, but there is no confirmation from the country's most senior leaders.
Since the end of 2010, massive waves of protests have quickly spread across countries in North Africa and the Middle East. Some of these demonstrations aim to oust autocratic rulers and others aim to pressure embattled leaders to carry out sweeping reforms. Click through to see more of the unrest in the Arab world.
Libyan protesters, left, celebrated the fall of Sirte.