Niagara Regional Police suspect arson in a Monday evening fire.
The blaze broke out at about 7:15 p.m. at 541 Central Ave. Fort Erie fire officials sent 10 trucks from four stations to battle the blaze.
Police said two people were seen running from the building shortly after the fire started.
The building was destroyed. No estimate of damage was available.
One firefighter was treated at a local hospital.
Anyone with information is asked to contact Niagara Regional Police at (905) 688-4111, Ext. 4476.