The Biden administration has warned Israel that it must increase the amount of humanitarian aid it is allowing into Gaza within the next 30 days or it could risk losing access to U.S. weapons funding.

The United States has told Israel it must take steps in the next month to improve the humanitarian situation in Gaza or face potential restrictions on U.S. military aid, U.S. officials said, in the strongest such warning since Israel's war with Hamas began a year ago.

In a letter Sunday, U.S. officials said the nation must continually assess whether Israel is “directly or indirectly” impeding humanitarian assistance to Gaza.

The Biden administration has warned Israel that its actions in Gaza could be violating U.S. law that oversees foreign military aid.

The Biden-Harris administration is giving Israel 30 days to improve humanitarian aid efforts in Gaza or else the US could halt military assistance, according to a letter sent to the Israeli

Biden warned that the U.S. could restrict weapons transfers to Israel if the flow of humanitarian aid into the Gaza Strip does not increase.

The US has written to Israel, giving it 30 days to boost humanitarian aid access in Gaza or risk having some US military assistance cut off.

The letter criticising Israel over Gaza aid is an attempt to redress the balance between the US and its ally, our international editor says.

Israel has released footage it says shows 50 aid trucks crossing into northern Gaza where its troops have stepped up operations against Hamas fighters. The U.S. has threatened to curtail military aid to Israel if it doesn’t dramatically improve Gaza’s humanitarian situation.