The suspected gunman in a deadly school shooting in Sweden shot himself after killing 10 people on Tuesday, police believe. Armed police exchanged fire with an unnamed shooter at Risbergska School in Örebro, 125 miles west of Stockholm, in what Swedish prime minister Ulf Kristersson has described as the worst mass shooting in the country’s history.

OREBRO, Sweden (AP) — Sweden’s worst mass shooting left at least 11 people dead, including the gunman, and at least five seriously wounded at an adult education center west of Stockholm. The gunman’s motive hadn’t been determined by early Wednesday as the Scandinavian nation — where gun violence at schools is very rare — reeled from an attack.

Swedish police said on Wednesday that "erroneous narratives" were being spread on social media regarding the mass shooting on Tuesday at an adult education centre, the Nordic country's deadliest gun attack.