U.K. counterterrorism police are investigating an arson attack on a London building that was formerly used by a Jewish charity following a spate of similar incidents in recent weeks.

Members of the Jewish community are being urged to “remain calm” as counter-terror police investigate an arson attack in north-west London.

Chief Rabbi Sir Ephraim Mirvis called the attack on Kenton United Synagogue "cowardly" and said "a sustained campaign of violence and intimidation against the Jewish community of the UK is gathering m...