A spree killing in Montenegro left 12 people dead and several others wounded on New Year’s Day.

The shooter, identified as Aco Martinović, committed after being confronted by law enforcement.

The incident started after a bar fight in Bajice village in the evening. Police Commissioner Lazar Šćepanović stated that the shooter had been at the bar with other patrons when a fight broke out, according to NBC News. After the brawl, he went home to retrieve a firearm before returning to the bar and opening fire, killing four people.