Flash: The US has issued a security alert for Americans in the Middle East, citing an increased threat of armed attacks by the Iran-backed Houthis and Iranian efforts to target US government officials in the region. The alert also warned of possible flight cancellations and airspace closures.

Flash: The US has issued a security alert for Americans in the Middle East, citing an increased threat of armed attacks by the Iran-backed Houthis and Iranian efforts to target US government officials in the region. The alert also warned of possible flight cancellations and airspace closures.