Aachen (dpa / lnw) - A 20-year-old man was attacked with a knife in Aachen on Saturday and was critically injured. The incident happened on Saturday morning at the Elisenbrunnen in the city center, a police spokesman said early Sunday morning. After the crime, the man was taken to the university hospital and had an emergency operation. According to the current status, the 20-year-old is no longer in mortal danger, said the spokesman. He did not provide any information on the course of events or the background to the incident due to the ongoing investigation. The "Aachener Zeitung" reported about it first.