- Date
- 4 February 2025 ; 16 months ago ( 2025-02-04 ) , 12:31 – 13:30 ( UTC+01:00 )
- Target
- Students and staff members at Campus Risbergska
- Attack type
- School shooting , mass shooting , mass murder , murder–suicide
- Weapons
- .30-06 Springfield Browning BAR semi-automatic rifle 12-gauge Mossberg 590A1 pump-action shotgun .22 LR Ruger 10/22 semi-automatic rifle (unused) Bowie knife (used in suicide) Smoke grenades
- Deaths
- 11 (including the perpetrator)
- Injured
- 6 (5 by gunfire, 1 by smoke inhalation)
- Perpetrator
- Rickard Andersson
- Motive
- Suicidal ideation Frustrations over being repeatedly denied health care service benefits Resentment towards the school