A REFEREE has been “seriously injured” after an assault during a youth football tournament.The official has been taken to hospital with head injuries.The referee, in his 50s, was taken to hospital with ‘serious’ injuriesThe incident occurred just before lunchtime on Monday.The assistant referee, in his 50s, was reportedly attempting to remove the spectator from the sideline when a row broke out.The match’s primary referee told Norwegian news outlet VG that the assistant allegedly said something to provoke the spectator at the game in Oslo.The witness said the spectator then punched the official in the face, sending him falling to the ground.The primary referee said: “He was down for five minutes.”He was then taken to the hospital via ambulance.Police have arrested a Spanish citizen in his 20s, who has been charged with bodily harm according to VG.Norway Cup communications manager Hanne McBride said in a statement: “We are currently working to get an overview and the case is being handled by the police.”The neighbourhood of Ekeberg, Oslo, plays host to the annual football tournamentThe Norway Cup is an annual international youth football tournament held in the Oslo neighbourhood of Ekeberg.Thousands of teams compete each year, and the competition has been labelled as one of the world’s biggest football tournaments.