At least 10 people, including the gunman, were killed Tuesday at an adult education center in what Sweden's prime minister called the country's worst mass shooting. But a final death toll, a conclusive number of wounded and a motive hadn't yet been determined hours later.

Deadly shooting attack in an adult education center at Campus Risbergska happened on the outskirts of the city of Orebro, which is located about 200 kilometres (125 miles) west of Stockholm. The perpetrator reportedly acted alone.

A tragic mass shooting at an adult education center in Orebro, Sweden, resulted in the death of about ten individuals, including the gunman, marking the country's worst incident of its kind. As investigations continue,

Sweden's worst mass shooting left at least 11 people dead, including the gunman, at an adult education center west of Stockholm as officials warned the death toll could rise.

Police in Sweden said "about 10" people were killed in a shooting at an adult education school . The shooting occurred at Campus Risbergska in Örebro, Sweden, the city said in a statement. Police say the shooter is believed to have been killed.

Swedish police say that about 10 people including the gunman were killed during a shooting at an adult education centre. View on euronews