The US State Department late on Tuesday issued a worldwide travel alert for US citizens, warning of the potential for anti-US action after the United States accused Iran of backing a plot to kill Saudi Arabia's ambassador to Washington. Murder Plot Iranians charged over assassination plot / Reuters American authorities uncover plot to bomb Israeli, Saudi embassies in Washington, assassinate Saudi ambassador Full story "The US government assesses that this Iranian-backed plan to assassinate the Saudi ambassador may indicate a more aggressive focus by the Iranian government on terrorist activity against diplomats from certain countries, to include possible attacks in the United States," it said in a statement on its website. The alert expires January 11, 2012, it said.
