Seventeen people have been arrested and four were injured in a brawl at London Luton Airport.
Bedfordshire Police is investigating the incident and said the fight took place at around 8am on Friday.
The force said 11 out of the 17 individuals arrested have been charged with violent disorder and have been released on bail until a future court hearing.
An airport spokesman said: "We are shocked and saddened by this isolated incident. We take a zero-tolerance approach to violence and continue to assist the police with their enquiries.
"We would like to sincerely apologise to any passengers affected."
Bedfordshire Police said four people were injured, with three taken to hospital with serious injuries.
The force said that out of the remaining people arrested, five were released with no further action and one was released on bail with conditions.