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.

The shooting, at a center for adult education in the city of Orebro, was the worst mass shooting in Swedish history, the country’s prime minister said.

Teachers tell of horror as 11 dead in worst mass shooting in country's history - Police say the suspect in the shooting at Risbergska School in Örebro is among those who died

A major police operation is under way in Orebro, around 200km (125 miles) west of the capital Stockholm. The centre offers primary and upper secondary school courses, as well as Swedish classes for immigrants,

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,

Police said “around 10 people” were killed at a school on Tuesday, in what has been described as the worst mass shooting in Sweden’s history. The suspected perpetrator is among the dead.

Eleven people were killed in a shooting at an adult education center in Orebro, Sweden, marking the country's deadliest gun attack. The gunman, thought to be among the dead, acted alone. Though many details remain unknown,

Around 10 people were killed on Tuesday in a shooting at an education center in Sweden, including the suspected gunman, with the

At least 10 people have died and many were wounded during a school shooting at an adult education center in southern Sweden on Tuesday afternoon.