Saudi Arabia has arrested 431 individuals suspected of being linked to the jihadist group Islamic State in Iraq and Syria (Isis).

A total of 37 civilians and members of Saudi Arabia’s security forces were killed during the operations, along with six suspects, according to the state-controlled Saudi Press Agency (SPA).

The news service said the arrests prevented several planned terror attacks including a suicide attack on a mosque with a capacity for 3,000 worshipers and an unnamed diplomatic mission.

Some of those arrested were responsible for the two attacks on a Shia mosques in May, which killed a total of 24 worshippers.

The arrests took place over several weeks, according to SPA.

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