Four Liverpool teenagers have been arrested following an alleged assault at Alton Towers.
A 15-year-old boy was airlifted to hospital with facial injuries sustained during the incident at the Staffordshire theme park on Thursday, help June 16.
Staffordshire Police have confirmed that the victim, from Dudley near Birmingham, is in stable condition.
The force confirmed that four boys aged between 13 and 15, all from the Liverpool area, have been taken into custody in connection with the incident.