A police officer wears a gas mask as he stands in from of a milk dispenser at a kiosk, during running battles between police firing tear gas and protesters throwing rocks, in the Kibera slum of Nairobi, Kenya on Monday, May 23, 2016. Kenyan police have shot, beat and tear gassed opposition demonstrators across the country who tried to gather to call for the electoral commission to be dissolved due to allegations of bias and corruption. (AP Photo/Ben Curtis)

See these photos on APImages.com