Scotland Yard chief Sir Mark Rowley hits out at ‘grave’ threats from the Iranian state in speech Anthony France @ NewsFrenchTony 1 minute ago Get our award-winning daily news email featuring exclusive stories, opinion and expert analysis I would like to be emailed about offers, event and updates from Evening Standard. Read our privacy notice. Scotland Yard chief Sir Mark Rowley said counter-terror police are investigating whether an Islamist group with possible Iranian state links is behind an arson attack on four Jewish community ambulances. Armed patrols are being deployed to north London following the shocking incident in Golders Green...