The arrested people have previously been convicted of serious violent crimes and have links to criminal networks.

The weapon is said to have been seized by the police already this summer and used in several shootings in Sätra.

According to the police, the weapon will be used in April, when a family with children's apartment was shelled.

- We know that the weapon the detainees are suspected of having handled has been used in several shootings during the spring and summer, says David Sund, group manager for the strategic operational group in the local police area Skärholmen, in a press release.