I am suffering from a form of Social Antisemitism Tourette s thejc.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thejc.com Daily Mail and Mail on Sunday newspapers.
In a statement, first posted on Linkedin, Sir Mark Rowley claimed the prospect of frequently being filmed and later critiqued on social media might put off future recruits from joining the police.
The Communities Secretary warned that good-hearted people participating in the demonstrations should be aware that they could be lending credence to extremists .