A man who was wounded in a mass shooting on New Year's Day in Montenegro has died, bringing the death toll to 13.

The New Year’s Day shooting shocked a country where gun ownership is widespread. Montenegro’s government began a three-day mourning period Thursday after a gunman opened fire on New Year’s Day — killing 12 people, including two children, across several locations.

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.