The UN's aid chief Tom Fletcher made the remarks as Israel began limited pauses in fighting in Gaza for 10 hours a day to address the humanitarian situation.

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

US President Donald Trump accused Hamas on Friday of not wanting to reach a ceasefire deal in Gaza as Israel said it would explore "alternative options" to rescue hostages after negotiations collapsed.

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.

Prime Minister Sir Keir Starmer is expected to raise the situation in Gaza when he meets US President Donald Trump in Scotland on Monday. Sir Keir will likely discuss efforts to urgently bring about a ceasefire to end the humanitarian crisis in Gaza.

Airdrops of food have resumed in Gaza, Israel and the United Arab Emirates said, as deaths from starvation in the besieged enclave spread.