A blast outside the U.S. Embassy in Ankara, Turkey, killed at least two people, the U.S. State Department confirmed Friday.
A police official said a suicide bomber set off an explosive at the embassy entrance, killing himself and a Turkish guard.
"We can confirm a terrorist blast at a check point on the perimeter of our embassy compound in Ankara, Turkey, at 1:13 p.m. local time, or 6:15 a.m. EST," State Department spokeswoman Victoria Nuland said in a statement.
A senior U.S. official said no Americans were wounded. One Turkish woman was also seriously wounded in the blast.
"We are very sad. We pray for a speedy recovery for the wounded person," U.S. Ambassador to Turkey Francis Ricciardione said.
White House press secretary Jay Carney called the attack "by definition, an act of terror."
Kurdish rebels and Islamic terrorists are active in Turkey. There have also been suicide bombings by al-Qaeda linked militants in the area.
So far, no one has claimed responsibility for Friday's attack.
"We are working closely with the Turkish national police to make a full assessment of the damage and the casualties, and to begin an investigation," Nuland said.
Turkey is a key U.S. ally in the region, located between Europe and the Middle East.