Exclusive : Address by leader Zack Polanski interrupted by men who used megaphone and unfurled Reform UK and St George's cross flags, while another man gave series of Nazi salutes 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. Read our Privacy notice Police have made an arrest