Gaza health officials and the ambulance service say at least 25 people were killed by Israeli airstrikes and gunshots overnight as ceasefire talks appear to have stalled and Palestinians in Gaza are facing famine.

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

The Kingdom of Jordan will airdrop humanitarian aid into Gaza as Palestinians face widespread starvation and diplomatic talks over a ceasefire breakdown.

The United Nations and experts say that Palestinians in Gaza are at risk of famine, with reports of increasing numbers of people dying from causes related to malnutrition.

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

In the scramble for sustenance, Palestinians are gunned down for no reason, with no excuse.

The UN agency for Palestinians says it has thousands of truckloads of supplies near Gaza which it wants to deliver.

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,