Get the free Morning Headlines email for news from our reporters across the world Sign up to our free Morning Headlines email Sign up to our free Morning Headlines email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. The BDBJ called for those arrested under the Terrorism Act at Saturday’s protests to be investigated for stirring up racial hatred. Most of the arrests occurred in Trafalgar Square, where protesters held placards showing their support for Palestine Action. Chief Constable of Greater Manchester Police Sir Stephen Watson urged would-be attendees at the protest to “consider whether this is really the right time”. Police forces have deployed extra officers to synagogues and other Jewish buildings to offer protection and reassurance in the aftermath of the attack.