WARNING: GRAPHIC CONTENT

Nairobi, Kenya

By Goran Tomasevic

(Editor’s Note: Goran Tomasevic is a veteran war photographer, covering conflict for over 20 years in countries including Afghanistan, Iraq, Libya, Egypt and Syria. As Reuters chief photographer for East Africa, Goran is now based in Nairobi, Kenya. This is his story of the attack on the Westgate shopping center on September 21, 2013.)