People gather at the site where a car bomb exploded at a marketplace in Baghdad, Iraq, on April 25, 2016. The car bomb attack left at least seven civilians killed and some 30 others wounded. (Xinhua/Khalil Dawood)

People gather at the site where a car bomb exploded at a marketplace in Baghdad, Iraq, on April 25, 2016. The car bomb attack left at least seven civilians killed and some 30 others wounded. (Xinhua/Khalil Dawood)

People gather at the site where a car bomb exploded at a marketplace in Baghdad, Iraq, on April 25, 2016. The car bomb attack left at least seven civilians killed and some 30 others wounded. (Xinhua/Khalil Dawood)