![Mersen Chala holds a photo of his brother Dinka, who was killed by Ethiopian security forces a day earlier, in Yubdo village, Oromia region, about 100 kilometers from Addis Ababa, December 2015.](/sites/default/files/multimedia_images_2016/photo1.jpg)
Mersen Chala holds a photo of his brother Dinka, who was killed by Ethiopian security forces a day earlier, in Yubdo village, Oromia region, about 100 kilometers from Addis Ababa, December 2015.
© 2015 ZACHARIAS ABUBEKER/AFP/Getty Images
Mersen Chala holds a photo of his brother Dinka, who was killed by Ethiopian security forces a day earlier, in Yubdo village, Oromia region, about 100 kilometers from Addis Ababa, December 2015.