People carry away a woman, who fainted after being overcome by teargas during riots, in downtown Kampala on April 29, 2011, a day after people rallied in support of Uganda's opposition leader Kizze Besigye who had been arrested four times that month.

People carry away a woman, who fainted after being overcome by teargas during riots, in downtown Kampala on April 29, 2011, a day after Uganda's opposition leader Kizze Besigye was arrested four times that month.

© 2011 MARC HOFER/AFP/Getty Images