Cairo: The Islamic State (IS) radical group claimed responsibility for Thursday's attack that targeted a mosque frequented by emergency security forces in Saudi Arabia, killing at least 13 people.
In a brief statement, which has not yet been verified, IS said that one of its militants managed to "circumvent security controls" and detonate the explosives.
The attack took place in the southwestern Saudi Arabian city of Abha, the provincial capital of Asir.
The official SPA news agency quoted a Saudi interior ministry spokesman as saying that the blast killed 10 security agents and three workers.
Additionally, the blast, which took place during noon prayer, wounded nine people, while three were in critical condition.
The death toll as announced by state television Al-Ekhbariya channel indicated that the blast killed 17 members of the Saudi security forces.