Green leader Zack Polanski has called for ‘immediate escalation’ from Mayor of London Sadiq Khan over clearly “unlawful activity” at the Great Israeli Real Estate event. Jewish anti-Zionists had joined protests outside the London event on 14 June to oppose its attempts to sell land in the illegally occupied Palestinian territories. Polanski: ‘No impunity for hosts of deplorable Great Israeli Real Estate event’ In a letter to Khan, Polanski insisted that there had already been “substantial evidence ahead of the event” suggesting wrongdoing, and that authorities should have never allowed it to take place. But following the event, he stressed: It has…