Saudi Arabia on edge after ISIS-claimed mosque attack
Clip: 05/23/2015 | 2m 48s
This weekend, Islamic State militants claimed responsibility for a suicide bombing at a mosque in Saudi Arabia where at least 21 people were killed. The Saudi king later vowed to punish those involved. Erin Cunningham, a reporter for The Washington Post, joins Hari Sreenivasan via Skype from Cairo.
Aired: 05/23/15
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