Crews are on the scene of a fire in Harmony.
The call came into the Butler County 911 Center around noon today for a fire of a three-story building in the 200 block of Mercer Street.
When crews got on scene, they found smoke coming from the attic. Once inside, they found heavy fire and upgraded it to a two-alarm fire.
Multiple crews were called in to assist.
Traffic may be restricted in the area.