The attack on Tuesday - described by Sweden's prime minister as the "worst mass shooting" in the country's history - happened at a school for adults.

Around 10 people were killed in a school shooting in Örebro. The damage at the crime scene was so extensive that investigators were unable to be more definitive, said Roberto Eid Forest, head of the local police.

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.

Around 10 people have been killed in a shooting at an adult education centre in Sweden, police say. More details are emerging of the attack, with the scene described as a "nightmare". Follow the latest.

Swedish police say "around 10" people have been killed in a shooting on a school campus in the central city of Orebro Police believe the perpetrator is among the dead and that he acted alone, but a motive is not yet clear Prime Minister Ulf Kristersson describes the attack as the "worst mass shooting" in Sweden's history The shooting happened at a school for adults,

Survivors of Sweden's worst mass shooting on Wednesday recalled trying to save the lives of their comrades at a school for adults in Orebro, a day after a gunman killed 11 people on what the prime minister called a "dark day" in the country's history.

Police said they do not know the motive but do not believe it is terrorism, adding they "had no warning sign" about the attack. Officers are working to identify the perpetrator and the victims.

Swedish police said they were still investigating the motive behind the country's deadliest mass shooting, as local media began reporting details about the gunman. The suspect, named in reports as 35-year-old local man Rickard Andersson,