Palestinian health officials and the local ambulance service say Israeli airstrikes and gunfire have killed at least 42 people in Gaza.

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.

A joint statement called for an immediate ceasefire and said that “withholding essential humanitarian assistance to the civilian population is unacceptable."

Earlier, aid agencies criticised Israel's airdrop plan arguing it would deliver very little and and endanger civilian lives.

CNN’s Nic Robertson is on the scene at the Kerem Shalom border crossing with assistance trucks as aid agencies warn of rampant hunger caused by Israel’s blockade of Gaza. While trucks do move across the border,