Scores of Democrats in the US House have urged President Joe Biden to consider halting arms sales to Israel if it does not alter the conduct of its aggression against Hamas.

A letter signed by 88 Democratic members of Congress and delivered to the White House ratchets up pressure on Biden to take a firmer stance toward Israel, a staunch ally.

The lawmakers voiced “serious concerns regarding the Israeli government’s conduct of the war in Gaza as it pertains to the deliberate withholding of humanitarian aid”.

Israel’s restrictions on US-backed humanitarian aid delivery in Gaza “have contributed to an unprecedented humanitarian catastrophe,” the letter said, citing the US Agency for International Development.

The lawmakers urged Biden to make clear to Israeli Prime Minister Benjamin Netanyahu that any impediment to aid delivery to Gaza was “risking its eligibility for further offensive security assistance from the United States”. The letter said any US funding halt should not include missile defence systems such as the Iron Dome.

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