Fourth person arrested over arson attack on Jewish ambulances in London

Met police say 19-year-old man held at Westminster magistrates court, where three other men charged over attackA fourth person has been arrested in connection with the arson attack on Jewish volunteer ambulances in north-west London, the Metropolitan police has said.The force said the 19-year-old man was arrested on Saturday morning at Westminster magistrates court, where three other men were charged over the arson attack.