In a major fight in Düsseldorf's old town, a 19-year-old was critically injured on Saturday night.
After initial investigations, the young man was attacked with a bottle by an as yet unknown perpetrator, the police said on Saturday.
He was so badly injured that he had to undergo emergency surgery that night.
Düsseldorf - His life was temporarily in acute danger.
A homicide squad is investigating suspicion of an attempted homicide.
During the night, witnesses had reported a fight between two groups on Burgplatz and the injured man.
The perpetrator escaped in an unknown direction.
The police were looking for other witnesses or people who could give clues about the suspect on Saturday.
dpa
