Turkish police detained a man who fired shots in front of the US embassy in Ankara early today. The state-run Anadolu Agency said, the man was overpowered by the embassy's security guards. No one was hurt in the incident which occurred hours after a Turkish policeman shot dead Russian Ambassador Andrei Karlov at a photo exhibit in Ankara. The U.S. embassy said, its missions in Ankara, Istanbul and the southern city of Adana will be closed for normal operations today.