Myyrmanni bombing

The Myyrmanni bombing took place on October 11, 2002, in Myyrmäki, Vantaa, Finland, in Greater Helsinki, at the Myyrmanni shopping mall. A bomb exploded at 16:36 killing five immediately, including the bomber. In total seven died, including two teenagers and a 7-year-old child. 166 people were injured, including 10 children. 66 victims required hospitalization with the remainder treated and released at the scene. The shopping center was especially crowded, with 1,000–2,000 people, including many children who had come to see a clown performance.

The perpetrator was Petri Erkki Tapio Gerdt (April 17, 1983 - October 11, 2002), who was killed in the explosion. He was a 19-year-old chemical engineering student at EVTEK (Espoo-Vantaa Institute of Technology) and a hobbyist bomb-maker. Gerdt had no prior criminal record. He was also an active member of Kotikemia ("Home chemistry"), an on-line forum for amateur chemists. The moderator of Kotikemia was acquitted of responsibility in court.