A 13-year-old boy was fatally injured in an argument on Sunday night in Berlin.
This was confirmed by the public prosecutor.
An adult is said to have attacked the child in Monbijoupark in the Mitte district with a knife.
First, the police had spoken to the victim of a man.
As the Berlin police announced on Twitter, there should have been a stabbing around 10:40 p.m.
The victim succumbed to his serious injuries on site.
Resuscitation attempts by the police and paramedics were in vain.
In addition, a 22-year-old was seriously injured and is being treated in hospital.
According to the police, the two victims belonged to a group of seven people, which consisted of children and adolescents except for the 22-year-old.
The group was out and about in James-Simon-Park.
At the level of a passage between James-Simon-Park and Monbijoupark, they are said to have got into an argument with a 45-year-old man with thinning hair and a graying beard.
The stranger is said to have pulled a knife and injured the two victims.
Then he fled in the direction of Hackescher Markt.
The 7th homicide commission at the Berlin State Criminal Police Office has taken over the investigation.
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mhe / dpa