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 said about 10 people, including the gunman, were killed during a shooting Tuesday at an adult education center. But a final death toll and a conclusive number of wounded hadn't been determined.

Police remained on the scene of an adult education center in Orebro, Sweden, where a deadly shooting left around 10 people dead on Tuesday, Feb. 4.

Sweden’s worst mass shooting has left at least 11 people dead, including the gunman, at an adult education center as officials warned that the death toll could rise