Emergency services are dealing with an ongoing incident at the Queen Elizabeth University Hospital in Glasgow.
The Scottish Fire and Rescue Service (SFRS) were first called to the scene at 9.22am on Wednesday.
Four appliances are currently in attendance.
Scottish Labour’s health spokeswoman Monica Lennon raised concerns about the incident.
She tweeted: “Emergency services are on the scene and I hope we hear very soon that everyone is safe and well.”
An SFRS spokeswoman said: “We have got crews in attendance at the moment.
“We received the first call at 9.22am and have four appliances in attendances.”