The administration of President Joe Biden has notified Congress of a proposed $8 billion arms sale to Israel, a U.S. official said on Friday, with Washington maintaining support for its ally whose war in Gaza has killed tens of thousands.

The State Department has informally notified Congress that it intends to sell $8 billion in arms to Israel, a US official and another source familiar with the matter told CNN.

The administration of President Joe Biden has notified Congress of a proposed $US8 billion ($A13 billion) arms sale to Israel, a US official says, with Washington maintaining support for its ally whose war in Gaza has killed tens of thousands.

The Biden administration has informally notified the U.S. Congress of a proposed $8 billion arms sale to Israel that includes munitions for fighter jets and attack helicopters, Axios reported on Friday,

The State Department has notified Congress "informally" of an $8 billion proposed arms deal with Israel that will include munitions for fighter jets and attack helicopters as well as artillery shells,