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

The shooter targeted a center that serves migrants seeking to integrate into a country that had already reversed its liberal migration policies.

Seven women and three men died in Sweden's worst mass shooting, police said Friday after completing the identification of the victims. All of the victims, aged between 28 and 68 years old, lived in Orebro,

"But this hate, it is coming from somewhere." A member of Kasselia's congregation, 29-year-old Salim Iskef, was among those murdered in Orebro on Tuesday in Sweden's first school shooting and the worst mass shooting in the country's history.

All 11 people who died in a shooting at a school for adults in Sweden have been identified by police but they have not yet released the names.

Salim Iskef fled Syria - where Islamic State militants had killed his father - for Sweden, only to be gunned down this week by an unemployed Swedish man with no apparent ideological motive.

Sweden on Friday said it will introduce a bill to amend weapon laws and restrict access to semi-automatic guns after the country's worst mass shooting this week. The Sweden Democrats, who are propping up the government,