The 15-year-old Berlin teenager was very seriously injured by a player of the French club Metz during a fight after a match in Frankfurt.
A 15-year-old footballer from Berlin died Wednesday after he was seriously injured in a fight with players from a French team at an international youth tournament, police said.
The teenager "died in hospital as a result of his severe brain injuries" after being hit on the head in the altercation in Frankfurt on Sunday, local police said in a statement.
A 16-year-old player from the French team was arrested following the fight and was still being held in custody, police said.
The brawl occurred following the final whistle in a game between the victim's side JFC Berlin and a team from French second-division club Metz.
Investigators were still looking at the "detailed sequence of events" that led to the player's injuries, they said.