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,

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.

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