It took place earlier this morning.
There's been a fire at Chesterfield Royal Hospital this morning.
Crews attended the scene just before 10am.
The blaze was out by the time firefighters arrived.
09:54 #Chesterfield_Blue were called to reports of a small fire at Chesterfield Royal Hospital. This was out on arrival of crews.— Derbyshire Fire & Rescue Service (@DerbyshireFRS) February 6, 2019