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.

Suspect among 11 dead in 'worst mass shooting' in country's history - Prime minister mourns 'brutal, deadly violence against completely innocent people'

A gunman killed around 10 people at a school for adults west of Stockholm on Tuesday in what Sweden's Prime Minister said was the "worst mass shooting" in the country's history. Local media reported that the perpetrator was also killed,

Police said at least 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 also died.

Police say around 10 people have been killed in a shooting at an education centre in central Sweden, including the suspected gunman. Prime Minister Ulf Kristersson described Tuesday's attack at Risbergska school in Orebro,