Anti-riot police fire canisters of colored teargas to disperse supporters of opposition Forum for Democratic Change during a procession to welcome their leader Kizza Besigye in Kampala on May 12, 2011.

Anti-riot police fire canisters of colored teargas to disperse supporters of opposition Forum for Democratic Change during a procession to welcome their leader Kizza Besigye in Kampala on May 12, 2011.
© 2011 Reuters