Officials say a gunman opened fire at multiple locations in Montenegro, killing a dozen people before turning the gun on himself.

Thousands of protesters gathered in Montenegro on Sunday, January 5, in anger over a mass shooting in which 12 people were killed on New Year’s Day.Vijesti newspaper said demonstrators were demanding the resignations of Deputy Prime Minister Aleksa Becic and Interior Minister Danilo Saranovic.

A top-level meeting in Montenegro is looking for ways to curb illegal weapons after a gunman fatally shot 12 people in a second such tragedy in less than three years in the small Balkan country

Montenegro authorities are considering a total ban on gun ownership in the aftermath of a cafe shooting that left at least 12 dead, including two children, in the city of Cetinje Wednesday.

A commemoration ceremony was held in the small Montenegrin town of Cetinje on Saturday for the 12 victims of a New Year's day shooting. The ceremony was attended by family members of the victims as well as political and church leaders.

Montenegro on Thursday began three days of national mourning, a day after a gunman killed 12 people including two children in a shooting rampage that started in a restaurant.

Montenegro is sixth in the world when it comes to the number of illegal weapons per capita, according to reports.

Residents of the Montenegrin town of Cetinje woke up on Friday to see a number of obituaries posted across street walls and posts for those killed in a New Year's day shooting.