A fire broke out at a gym in central Fresno early Tuesday morning.
Crews were called out to the Valley Fitness location on Maroa and Wishon just after 4:30 am.
An employee discovered the fire when they arrived to open the gym.
When crews arrived, they found smoke coming from the roof.
Officials say there is extensive damage to the gym.
One firefighter had to be treated for smoke inhalation and was taken to a nearby hospital as a precaution.
It’s not yet known what sparked the fire, and there is no damage to nearby properties or businesses.