US officials are prohibited from using Baghdad International Airport Tuesday, April 8 due to a specific threat. The US Embassy recommends that all US nationals in all parts of Iraq, including the Green Zone, take extra precautions for their security, keep a low profile, vary routines and travel routes and exercise caution when driving and entering or exiting vehicles. The phone number for emergencies is 0760-030-4888 or 0770-443-1286.