Finnentrop (dpa / lnw) – An 18-year-old guest at a birthday party in Finnentrop (Sauerland) was injured by the “improper use of a confetti cannon”. As the police in Olpe announced on Monday, the young man was taken to the hospital by ambulance after the incident in a shooting range in the Lenhausen district on Saturday evening because of minor injuries. The police made a criminal complaint against unknown persons, it was said. The exact nature of the allegation remained unclear.