Four injured, gunman dead, after shooting at Heidelberg University in Germany

The perpetrator, described as a young man, is dead, a police spokesman told CNN. Police said the lone gunman began shooting while a lecture was taking place, before running outside. A police spokesperson told Reuters they believe he killed himself.One of those shot in the incident was seriously injured, according to CNN’s German affiliate n-tv. At this stage, officers cannot determine a motive for the incident in the Neuenheimer Feld area of the city, the police spokesman told CNN.A large-scale police operation is underway: “Police and emergency services are on the scene,” Mannheim Police said in a tweet.Heidelberg University is Germany’s oldest, according to its website.