Demonstrators, a protest against fare hikes for city buses, in Sao Paulo, Brazil. 示威者, 抗議以反對市公車漲價

A demonstrator is detained by riot police during a protest against fare hikes for city buses in Sao Paulo, Brazil, January 12, 2016. Brazilian riot police on Tuesday fired tear gas and stun grenades to disperse a protest against a rise in public transport fares in the country's largest city, Sao Paulo. (Photo by Paulo Whitaker/Reuters)
The Day in Photos – January 14, 2016
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