Two persons were killed in a gunfight that took place in a cafe in Ankara's Cankaya District on Sunday afternoon, according to local media.
It was an armed conflict between the two groups. Two persons were killed in the incident, and 2 others were seriously injured.
The reason for the gunfire remained unknown and local police officers were trying to arrest suspects who had escaped by vehicle.
Over 55 million Turkish citizens cast their votes on Sunday in a historic referendum proposing key constitutional changes, including giving wide-ranging executive powers to the president.

 Source: Xinhua