Trollhättan school attack
On 22 October 2015, a mass stabbing occurred at Kronan Primary School (Kronans grundskola) in Trollhättan, Sweden. 21-year-old Anton Lundin Pettersson killed three people and wounded another two with a sword, later dying from gunshot wounds sustained after charging police.
Source: Wikipedia — Trollhättan school attack (CC BY-SA 4.0)