Israel says it's reviewing a revised response from the Hamas militant group to a proposed ceasefire and hostage-release deal. Both sides are facing huge pressure to reach an agreement, amid growing evidence of a severe hunger crisis in Gaza. More than 100 international aid agencies are warning of the possibility of mass starvation across the Gaza Strip. A warning: this report contains images that some viewers may find distressing. Chapters: 0:00 US envoy withdraws from Gaza truce talks 0:31