OREBRO, Sweden (AP) — Swedish police said the gunman in the country's worst mass shooting was connected to the adult education center where he opened fire Tuesday, killing 10 other people. Police later found him dead. Authorities on Thursday said the gunman may have attended school there.

Swedish police confirm around 10 people were killed at a school for adults on the outskirts of Stockholm. The gunman is believed to be among the dead.

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. The gunman's motive, as well as the number of wounded,