The U.S. State Department issued security alerts on Friday for several Middle Eastern countries, in some cases advising against travel and warning of possible missile attacks after Israel launched military strikes against Iran.

Iran-aligned Iraqi armed group Kataib Hezbollah warned on Sunday it would resume attacks on U.S. troops in the region if the United States intervenes in the conflict between Israel and Iran. “We are closely monitoring the movements of the American enemy's army in the region,

The US security warning further reminded the US citizens of the constant need for caution and increased personal security awareness, which includes knowing the location of the closest shelter in the case of a red alert,