Islamic State claims Saudi mosque attack - SITE monitoring

DUBAI (Reuters) - Islamic State claimed responsibility for an attack on Friday on a Shi'ite Muslim mosque in eastern Saudi Arabia, U.S.-based monitoring group SITE said on its Twitter account. The militant group identified the suicide bomber as Abu 'Ammar al-Najdi and said the attack using an explosives-laden belt killed or wounded 250 people, SITE reported. (Reporting by Sami Aboudi, Editing by William Maclean)