The U.S. State Department has urged Americans to refrain from traveling to #Ukraine due to the ongoing war and the threat of air strikes . Ukraine is currently under Level 4: Do Not Travel – the highest level of warning for travelers. U.S. citizens in Ukraine are advised to be prepared to leave immediately, have their own evacuation plan, and not rely on evacuation assistance from the U.S. government. Diplomats now require special permission to leave #Kiev, and family members of U.S.