Emergency services were called to Alton Towers early on Tuesday morning to what was thought to be a chemical incident. A smell was reported inside an employee-only kitchen within the conference centre.
It meant that guests had to be evacuated to the Alton Towers Hotel. The alert was raised at 12.45am, reports StokeonTrentLive.
Staffordshire Fire and Rescue Service and West Midlands Ambulance Service responded to the incident and investigated the smell.