The spokesperson said one patient was airlifted to Waikato Hospital.
A South Waikato District Council spokesperson said the council was aware of the incident.
“Staff assisted St John Ambulance at the time and restricted public access to part of the facility,” the spokesperson said.
“The facility is now fully open. Actions in line with the facility’s health and safety plan have commenced.”
Maryana Garcia is a Hamilton-based reporter covering breaking news in Waikato. She previously wrote for the Rotorua Daily Post and Bay of Plenty Times.