Israeli Prime Minister Benjamin Netanyahu has denounced countries that recently embraced Palestinian statehood, accusing them of sending the message that "murdering Jews pays off".

Speaking at the United Nations General Assembly, the Israeli leader pushed back in his harshest terms yet against a flurry of diplomatic moves by leading US allies that deepened Israel's international isolation over its conduct of a nearly two-year-old war against Hamas militants in the Gaza Strip.

"This week, the leaders of France, Britain, Australia, Canada and other countries unconditionally recognised a Palestinian state," he said.

"They did so after the horrors committed by Hamas on October 7 - horrors praised on that day by nearly 90 per cent of the Palestinian population."

Calling it a "mark of shame,

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