Saudis arrest 431 ISIS suspects in nationwide dragnet

The Interior Ministry in Riyadh reported the arrests of 431 people suspected of links to recent attacks in the kingdom, planning more attacks or spreading extremist ideology on social media. DEBKAfile: The authorities are battling the fast spreading support for ISIS among young Saudis. Some of the most radicalized are calling for the ouster of the House of Saudi and the removal of the two holy cities of Mecca and Medina from its guardianship.