Secretary-General of the United Nations António Guterres described the humanitarian situation in Gaza as a moral crisis that challenges the global conscience. Follow for live updates.

An analysis compiled by USAID officials says they failed to find evidence that Hamas engaged in widespread diversion of assistance in Gaza, ABC News has learned.

Hamas issued a scathing statement in which it rejected U.S. criticism of its handling of negotiations aimed at ending the nearly two-year-long war in Gaza.

War is chaos. It destroys lives and shatters hope. But not every tragedy is genocide. In Gaza, some claim Israel is committing genocide, but what does the law actually say? On fault lines, we'll hear from war expert John Spencer,

"The humanitarian catastrophe that we are witnessing in Gaza must end now," a joint statement from the three countries reads.

UNITED NATIONS (Reuters) -United Nations aid chief Tom Fletcher has demanded that Israel provide evidence for its accusations that staff with the U.N. Office for the Coordination of Humanitarian Affairs were affiliated with Palestinian militants Hamas, according to a letter seen by Reuters on Friday.