Demonstrators wave pre-revolution Iranian flags during a protest outside of the White House in Washington, D.C., U.S. (Photographer: Zach Gibson/Bloomberg)  

Iran and U.S. Trade Blame at UN as Security Council Urges Calm

(Bloomberg) -- The U.S. and Iran blamed each other for rising tensions as they exchanged barbs at the United Nations on Monday while other members urged both sides to de-escalate.

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