A picture taken on May 16, 2016 in Nairobi shows a Kenyan riot policeman repeatedly kicking an unresponsive fallen protester. The incident has caused Kenya's police chief to order an internal investigation into the incident and other reported incidents of police brutality on the day. Police fired tear gas and beat opposition demonstrators with truncheons on May 16 to stop them storming the offices of the electoral commission in Nairobi as they demanded new commissioners to be named ahead of elections due in August 2017. / AFP / CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)