Iran threatens to close key Gulf oil route over nuclear sanctions

http://www.msnbc.msn.com/id/45798315/ns/world_news-mideast_n_africa/#.TvqBGVawWNU

Iran threatened on Tuesday to stop the flow of oil through the Strait of Hormuz if foreign sanctions were imposed on its crude exports over its nuclear ambitions, a move that could trigger military conflict with economies dependent on Gulf oil.