On Friday, a suicide bomber set off an explosive device near the entrance of the U.S. Embassy in the Turkish capital of Ankara, according to the Associated Press.
NTV News has reported that two security guards were killed and several others were wounded in the attack.
It is not yet known if any of the dead or wounded were Americans.
The State Department has offered no comments on the matter at this time.
Turkey, once considered a staunch U.S. ally and safe for Westerners, has become increasingly dangerous in recent years as radical Islamists have become more influential in that country.
-In July 2008, three Turkish police officers were shot to death in an attack outside the U.S. consulate office in Istanbul.
-In November 2003, several car-bombs were set off outside two synagogues in Instanbul, the British consulate as well as the HSBC building. A total of 63 people were killed in the attacks, including Britain's consul general.