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.

Sweden reeled Wednesday from the deadliest mass shooting in its history after 10 people plus the suspected gunman were killed in a shooting at an adult education centre in the central city of Orebro. Several media reported the suspected gunman turned his gun on himself -- but police have not confirmed those reports.

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

Swedish police said that about 10 people, including the gunman, were killed during a shooting Tuesday at an adult education center.

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.

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,

The shooting happened on the outskirts of the city of Orebro, which is located about 200 kilometers (125 miles) west of Stockholm. | ITV National News

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,