Swedish House Mafia concert: Three stabbed in 'fight'
Three people were stabbed during a fight at a concert in Buckinghamshire, police said.
A 23-year-old man sustained a punctured lung during the Swedish House Mafia concert at Milton Keynes bowl at 18:15 BST on Saturday.
Another man, aged 24, suffered a cut to his head and arm, while a 23-year-old man was treated for minor injuries.
Police said the fight appeared to have been an "isolated incident" and believe one person was responsible.
The 23-year-old and 24-year-old victims were from the West Midlands area, police said.
Officers want to speak to a white man aged in his early 20s, who wearing a blue T-shirt, black jacket and jogging bottoms, in connection with the assault.
Det Ch Insp Justin Fletcher said: "This appears to have been an isolated incident and overall we are very pleased with how the event passed off, but we would like to trace the person responsible for this assault."
Three people were also arrested on suspicion of possession with intent to supply class-A drugs at the concert.
The event was billed as the last UK concert by the dance music trio, who have announced a split.