Several businesses destroyed in Watertown fire - Boston News, Weather, Sports | FOX 25 | MyFoxBoston

WATERTOWN, Mass (MyFoxBoston.com) – A fire destroyed several businesses Tuesday in Watertown.

The blaze broke out at 313 Main Street. Officials say there was an explosion just as firefighters were going inside the burning building. One firefighter was hurt and went to the hospital for a shoulder injury.

The building housed Lony Salon, Guy's Hair Shop and Pan World Insurance.
    
Police say Inner Strength Studios" is attached to the building, but was not damaged.
    
Investigators have not determined a cause of the fire.