Mark Regev, Israel's ambassador to Britain, has attacked the campaign by Unesco to brand his country an "occupier" as "historically illiterate, deeply offensive and fundamentally unjust."
Speaking in central London on Sunday, to promote a joint Board of Deputies, Jewish Leadership Council project to mark the 50th anniversary of the Six Day War, Mr Regev hit out at the UN cultural agency's record on Israel.
He told the Board of Deputies monthly meeting: "In recent months one organisation has ratcheted-up the campaign to dismiss the Jewish connection to Jerusalem and to delegitimise Israel's sovereignty
"I speak of course of Unesco.