Three Turkish citizens were killed and fifteen others injured on Tuesday in a bomb attack in the center of the capital, Ankara.

Three Turkish citizens were killed and fifteen others injured  on Tuesday in a bomb attack in the center of the capital, Ankara.

"There has been information that the blast was caused by a bomb",  Deputy Prime Minister, Bulent Arinc, told Turkish television.

The mayor of the capital's central Cankaya district, Bulent Tanik, stated directly after the bast that nobody had been killed in the explosion, but three people were seriously injured.

The death of the three was later announced.

The blast, which targeted the Cankaya district administration offices, blew out windows of shops and offices in the surrounding area, damaged cars and sparked a fire which was later put out by firefighters at the scene, NTV said. The offices are near downtown Kizilay square.

Police feared a second explosion and sealed off the area, it said.