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MALAKAL, SOUTH SUDAN - OCTOBER 16: Soldiers linked to Sudan People's Liberation Army (SPLA) take security measures after they clashed with opponent groups, at the Lalo village of the Malakal city in South Sudan on October 16, 2016. (Photo by Bullen Chol/Anadolu Agency/Getty Images)

MALAKAL, SOUTH SUDAN - OCTOBER 16: Soldiers linked to Sudan People's Liberation Army (SPLA) take security measures after they clashed with opponent groups, at the Lalo village of the Malakal city in South Sudan on October 16, 2016. (Photo by Bullen Chol/Anadolu Agency/Getty Images)