Sweden's worst ever mass shooting this week has raised questions about the country's gun laws and widespread gun ownership.

But the scale of the loss of life means the public and politicians want answers from the police now. More than 100 specialist officers are involved, on a local, regional and national level. Unconfirmed reports in the Swedish media say the gunman was a 35-year-old local man who legally owned a gun.

Sweden is reeling from the country's deadliest mass shooting this week as investigators continue to look into the gunman's motive