Zack Polanski has accused Labour of “using Jewish pain” to justify an “authoritarian” agenda in considering banning pro-Palestinian marches after the Golders Green attack. The Green Party leader, who is the only current Jewish leader of a major political party in the UK, hit out at home secretary Shabana Mahmood as she hinted at using new powers for a crackdown on marches protesting against Israel. The row broke out as the Jewish community reels from an antisemitic terror attack in Golders Green, the centre of London’s Jewish community, on Wednesday. During the attack, a 45-year-old man stabbed two Jewish men - one in his 70s and the other in his 30s - before being brought down by local police. There are growing calls for tougher action against antisemitism, including from Chief Rabbi Sir Ephraim Mirvis, in the wake of the attack Some have called for a suspension of pro-Palestine marches in the wake of an attack.…