Sir Keir Starmer said attempts by Iran to destabilise British society “will not be tolerated” amid suspicion Tehran could be stirring up antisemitism . The prime minister told a roundtable in Downing Street that the government was investigating whether foreign states such as Iran could be behind recent attacks on the Jewish community in the UK. “We’re investigating, of course, all the possibilities and we’re clear that these actions will have consequences if that proves to be the case,” he said. “Our message to Iran, or to any other country that might seek to foment violence, hatred or division in society, is that it will not be tolerated.…