Two security guards were was killed and several others were wounded on Friday in an explosion outside the US embassy in Ankara that damaged nearby buildings, the NTV news channel reported.
Ambulances and fire fighters rushed to Ankara's central Cankaya neighbourhood where many other institutions and embassies are also located, the NTV said.
Smoke rose from a side entrance to the U.S. embassy in Ankara on Friday after an explosion which damaged the doorway and sent debris flying into the street.
A Reuters witness saw one wounded person being lifted into an ambulance as police cordoned off the area.
Police official says a suicide bomber detonated an explosive device at the entrance of the U.S. Embassy in the Turkish capital and at least two people are dead.
An Associated Press journalist on Friday saw a body in the street in front of an embassy side entrance. The bomb appeared to have exploded inside the security checkpoint at the entrance of the embassy.
Private NTV television said two security guards at the entrance were killed.
The police official spoke on condition of anonymity in line with government rules. The phones were not being answered at the embassy.
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