WASHINGTON, Oct 9 (Reuters) - The U.S. military is "surging" fresh supplies of air defenses, munitions and other security assistance to Israel to help it respond to an unprecedented weekend attack by Hamas, a senior U.S. defense official said on Monday. "We are surging support to Israel... We remain in constant ongoing contact with our counterparts in Israel to determine and then support their most urgent requirements." The United States has not yet detailed the extent of Israel's requests for security assistance. But the U.S. defense official said Washington was contacting the defense industry to expedite pending Israeli orders, and looking at the U.S. military's own stockpiles to help fill Israeli gaps. The official also appeared to dismiss concerns that the United States might struggle to supply Israel at the same time that it funnels weaponry to Ukraine.

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Persons: Washington, Benjamin Netanyahu, Joe Biden, Biden, Kanishka Singh, Phil Stewart, Leslie Adler, Rosalba O'Brien Organizations: U.S, Hamas, Islamic, Islamic State . U.S, White, Wall Street, Wall Locations: Israel, U.S, United States, Ukraine, Palestinian, Islamic State ., Iran, Washington