Palestinian health officials say at least 20 people were killed in Israeli strikes on the Gaza Strip overnight and into Saturday

The aid system rolled out last month has been marred by chaos and violence, while the UN system has struggled to deliver food because of Israeli restrictions and a breakdown of law and order, despite Israel loosening a total blockade it imposed from early March to mid-May.

The UK government is trying to walk a tightrope on relations with Israel, expressing support for its military action against Iran while also criticizing the war in Gaza.