FILE - In this Monday, May 18, 2015 file photo, soldiers from a special unit disperse a group of protesters by firing in the air in the Musage neighborhood of Bujumbura, Burundi. The U.N. human rights chief Zeid Raad al-Hussein warned Friday, Jan. 15, 2016 of worrying trends in Burundi such as gang-rapes of women by security forces, torture and signs of ethnic repression in nine months of simmering violence and repression. (AP Photo/Jerome Delay, File)

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