A doctor cries while standing next to a table with the bodies of four dead children in overflowing morgue of the Shifa hospital in Gaza City, 20 July 2014. Casualties were mounting in eastern Gaza City, which came under heavy shelling, as Israel widened its ground offensive in the Gaza Strip. Infantry soldiers entered the coastal enclave three days ago in order to end rocket fire and destroy tunnels leading into Israel, the army said. EPA/OLIVER WEIKEN