Benjamin Netanyahu was accused of slander and pursuing a war without end after he claimed the leaders of France, Canada and the UK were stoking antisemitism and siding with Hamas by demanding he end the two-month blockade of food and aid into Gaza.

In what has become an extraordinary standoff with some of Israel’s closest allies, Netanyahu appeared to deliberately raise the stakes on Thursday night by accusing his western critics of abandoning Israel in a war for its very existence.

Israel’s foreign minister, Gideon Sa’ar, also sought to link the killing of two Israeli embassy staff members in Washington to the recent criticism mounted by European leaders.