2015 attack on Kronan school in Trollhättan, Sweden
On 22 October 2015, a mass stabbing occurred at Kronan School, a high school in Trollhättan, Sweden. 21-year-old Anton Lundin Pettersson killed three people and injured another with a sword, later dying from gunshot wounds sustained during his apprehension. The initial police investigation concluded that Pettersson was motivated by opposition to immigration and had chosen the school as his target due to its location in a neighbourhood with a high immigrant population. Background.
https://en.wikipedia.org/wiki/Trollh%C3%A4ttan_school_stabbing