RIYADH, Saudi Arabia
More than 400 suspected members of Daesh were arrested across Saudi Arabia on Saturday, officials said.
In a statement, the Interior Ministry said they were accused of planning attacks on mosques and the military.
It added that the 431 suspects were mostly Saudis but also included Yemenis, Egyptians and Jordanians.
In May, dozens of people were killed in separate bomb attacks Shia mosques in eastern Saudi Arabia. Daesh claimed responsibility for the blasts.
Saudi Arabia is part of a U.S.-led military coalition targeting Daesh in Iraq and Syria.