Following the shooting death of the Russian ambassador to Turkey, The US State Department has issued a travel 'Security message' warning US citizens to avoid the area near the Embassy compound "due to an ongoing security incident."

Ankara, #Turkey - ongoing security incident near US Embassy. All US citizens should avoid area near Embassy compound until further notice. pic.twitter.com/5EABdgBO4o — Travel - State Dept (@TravelGov) December 19, 2016