Masaai women line up at dawn to vote in a general election in Kumpa, Kenya. Kenyans went to the polls to begin casting votes in a nationwide election seen as the country's most important - and complicated - in its 50-year history.
In this photo provided by the Vatican newspaper L'Osservatore Romano, cardinals attend a meeting at the Vatican. Cardinals from around the world have gathered for their first round of meetings before the conclave to elect the next pope.
Afghan children watch burning expired medical items and food on the outskirts of Jalalabad.
Chinese security personnel march outside the Great Hall of the People in Beijing. In a rare move, China on Monday declined to reveal its defense budget request for 2013.