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Iranian protesters hold portraits of prominent Shiite Muslim cleric Nimr al-Nimr as they confront riot police during a demonstration against his execution by Saudi authorities, on January 3, 2016, outside the Saudi embassy in Tehran. Iran and Iraq's top Shiite leaders condemned Saudi Arabia's execution of Nimr, warning ahead of protests that the killing was an injustice that could have serious consequences.
Iranian protesters hold portraits of prominent Shiite Muslim cleric Nimr al-Nimr as they confront riot police during a demonstration against his execution by Saudi authorities, on January 3, 2016, outside the Saudi embassy in Tehran. Iran and Iraq's top Shiite leaders condemned Saudi Arabia's execution of Nimr, warning ahead of protests that the killing was an injustice that could have serious consequences.

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Saudi Arabia wants Iran to stop meddling

CNN's Wolf Blitzer discusses tensions in the Middle East with CNN International diplomatic editor Nick Robertson and former U.S. ambassador to Saudi Arabia Robert Jordan.

Saudi Arabia wants Iran to stop meddling

CNN's Wolf Blitzer discusses tensions in the Middle East with CNN International diplomatic editor Nick Robertson and former U.S. ambassador to Saudi Arabia Robert Jordan.