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.

At least 11 dead, including suspect, 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