The focus on air drops into Gaza is a "grotesque distraction" that will not reverse the territory's deepening starvation crisis, aid agency leaders have warned. Israel's military said it would allow aid to be dropped into Gaza on Saturday night, while also announcing humanitarian corridors for UN aid convoys.

Israel has long restricted aid to Gaza on the argument that Hamas steals it to use as a weapon of control over the population. On Saturday, the Israeli military announced new airdrops of aid.

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.

Israel has said foreign nations will be able to air drop supplies into Gaza as international pressure mounts in the face of widespread starvation.

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

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.

In June, a yacht with 12 activists on board - including Sweden's Greta Thunberg - was intercepted by the Israeli military about 185km (115 miles) west of Gaza. That expedition, also organised by the FFC, had been aiming to deliver aid to Gaza in defiance of Israel's blockade and to highlight the humanitarian crisis there.