Security warning in Washington about Iran and Yemen While insecurity in the West Asian region continues as a result of the aggression of the United States and its partners, the Washington embassy in Abu Dhabi issued a new security warning. "American citizens currently in the Middle East should increase their vigilance due to the increased threat of armed attacks by the Iranian-backed Houthis, as well as Iran's efforts to target US government officials in the region," the embassy statement said. The American Embassy in the United Arab Emirates added: "Be aware and vigilant about the possibility of flight cancellations, airspace closures and travel disruptions." - Link.