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,

Sweden is set to tighten its gun laws, including a ban on certain semiautomatic weapons, after a mass shooting that left 11 people dead.

Officials in Sweden have vowed to determine why a man killed 10 people, and apparently himself, in an unprecedented attack that's shaken their "society to its core."