More than 20 firefighters have tackled a blaze overnight in Hanley.
Crews were called out to Black Cobra Martial Arts on Clough Street.
There were five pumping appliances and an aerial ladder platform in attendance.
(Picture courtesy of Staffordshire Fire and Rescue)
They remain at the scene this morning damping down while a police cordon is in place.
The fire service say at this moment the cause is unknown.