US Embassy in the UAE warns citizens in the country to guard against Houthi and Iranian threats; the U.S. Embassy in the UAE issued a warning to U.S. citizens in the country, urging them to maintain "heightened vigilance" in response to the threat of armed attacks launched by the Houthi movement and potential attempts by Iran to target U.S. government officials, while also reminding citizens to be aware of potential flight cancellations, airspace closures, and travel disruptions.