Supporters of Congolese opposition leader Etienne Tshisekedi hurl stones at Congolese riot police outside their candidate's headquarters in Kinshasa, Democratic Republic of Congo, Thursday, Dec. 8, 2011. (AP Photo/Jerome Delay)
Supporters of opposition candidate Etienne Tshisekedi display what they claim are bogus election ballots they say were found in the Bandal commune of Kinshasa, Democratic Republic of Congo, on Monday. (Associated Press)
ASSOCIATED PRESS PHOTOGRAPHS
President Joseph Kabila (far left) arrives for the yearly national parade held in Kinshasa. He has held office for more than 10 years and recently secured constitutional changes that strengthen his powers and revise the country's voting system. He faces a possible challenge at the polls this November from Jean-Pierre Bemba, Vital Kamerhe and Etienne Tshisekedi (starting second photo, left). Mr. Bemba is awaiting a war crimes trial at the International Criminal Court at The Hague.
United Nations Secretary-General Ban Ki-moon, left, and National Assembly President Vital Kamerhe, right, shake hands in Kinshasa, Congo, Saturday, Jan. 27, 2007. Ki-moon held up Congo's first elections in 46 years as a sign of hope for the rest of war-torn Africa, praising the country's fragile democracy Saturday. (AP Photo/John Bompeng)
Veteran opposition leader Etienne Tshisekedi is seen at his residence in Kinshasa, Congo in this Thursday, June 15, 2006 photo. A former prime minister under the Mobutu regime, he remains an influential figure and his support could boost any of Congo's presidential hopefuls. (AP Photo)