A car bomb in the Turkish capital Ankara killed three people and injured 15 more, state TRT Haber TV news channel reported Tuesday. TRT cited a state prosecutor as confirming that the explosion had been caused by a bomb and had launched an investigation. Other reports claimed that a woman was arrested close to the scene of the explosion. Turkish President Abdullah Gul, who was visiting Osnabrueck on an official state visit to Germany, described the explosion as a \"terrorist attack\" and said, \"I utterly condemn this.\" He expressed his condolences to the victims. No group has claimed responsibility for the attack.