Residents gather at the site of a truck bomb attack at a crowded market in Baghdad ,August 13,2015. At least 60 people were killed and 200 wounded on Thursday when a refrigerated truck packed with explosives blew up in a crowded market in Sadr City, a Shi’ite district in northeastern Baghdad, police and medical sources said. REUTERS/Wissm Al- Okili NO ARCHIVES TPX IMAGES OF THE DAY