Kenya's President Mwai Kibaki (front) arrives at the Mombasa International Show in the Kenyan coastal city of Mombasa, August 30, 2012. The killing of a Muslim cleric Aboud Rogo, accused by the United States of helping al Qaeda-linked Islamist militants in Somalia, triggered riots and violence in which five people, including three police officers, were killed in Mombasa. REUTERS/Thomas Mukoya (KENYA - Tags: RELIGION CIVIL UNREST POLITICS CRIME LAW)