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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)

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)
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AFP CARL DE SOUZA

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A picture taken on May 16, 2016 in Nairobi shows Kenyan riot police beating an unresponsive fallen protester with wooden sticks until they break and repeatedly kick him several times. 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)

A picture taken on May 16, 2016 in Nairobi shows Kenyan riot police beating an unresponsive fallen protester with wooden sticks until they break and repeatedly kick him several times. 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)
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AFP CARL DE SOUZA

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A picture taken on May 16, 2016 in Nairobi shows Kenyan riot police beating an unresponsive fallen protester with wooden sticks until they break and repeatedly kick him several times. 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)

A picture taken on May 16, 2016 in Nairobi shows Kenyan riot police beating an unresponsive fallen protester with wooden sticks until they break and repeatedly kick him several times. 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)
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AFP CARL DE SOUZA

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TOPSHOT - Kenyan riot police officers raise batons over a man during a demonstration of Kenya's opposition supporters in Nairobi, on May 16, 2016. Opposition protestors led by former Prime Minister Raila Odinga gathered outside the Indepedent Electoral and Boundaries Comission building to demand the dismissal of IEBC commissioners, after alleged bias towards the ruling Jubillee Alliance Party. / AFP / CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)

TOPSHOT - Kenyan riot police officers raise batons over a man during a demonstration of Kenya's opposition supporters in Nairobi, on May 16, 2016. Opposition protestors led by former Prime Minister Raila Odinga gathered outside the Indepedent Electoral and Boundaries Comission building to demand the dismissal of IEBC commissioners, after alleged bias towards the ruling Jubillee Alliance Party. / AFP / CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)
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TOPSHOT - A man injured following clashes with Kenyan riot police officers, runs away from teargas, during a demonstration of Kenya's opposition supporters in Nairobi, on May 16, 2016. Opposition protestors led by former Prime Minister Raila Odinga gathered outside the Indepedent Electoral and Boundaries Comission building to demand the dismissal of IEBC commissioners, after alleged bias towards the ruling Jubillee Alliance Party. / AFP / CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)

TOPSHOT - A man injured following clashes with Kenyan riot police officers, runs away from teargas, during a demonstration of Kenya's opposition supporters in Nairobi, on May 16, 2016. Opposition protestors led by former Prime Minister Raila Odinga gathered outside the Indepedent Electoral and Boundaries Comission building to demand the dismissal of IEBC commissioners, after alleged bias towards the ruling Jubillee Alliance Party. / AFP / CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)
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AFP CARL DE SOUZA