A Manchester City fan is in a critical condition in hospital after he was assaulted following their Champions League win over Schalke in Germany.
German police said the 32-year-old man suffered a serious head injury in a violent confrontation with two Schalke supporters inside the Veltins Arena.
"In the skirmish, he received a blow from a fist which knocked him to the floor," police said.
"In falling, he suffered a massive trauma to his skull and brain."
The police statement said the man was treated at the stadium before being taken to a local hospital.
It added: "He remains in acute danger of his life at the present time."
The man's family are being supported by Greater Manchester Police, and members of City staff who have stayed in Germany.