Fontana ? Three people have been injured in an explosion at an auto salvage business in northeastern Kansas.

Miami County Undersheriff Wayne Minckley says the blast was reported 12:30 p.m. Wednesday in the mechanic shop at 7 Highway Auto Salvage in the town of Fontana. The town is about 50 miles southwest of Kansas City.

The undersheriff says the three injured men were rushed to the University of Kansas Hospital, two by ambulance and one by helicopter. He said the injuries are not considered to be life-threatening.

Minckley said there were some small explosions when officers and rescue workers arrived on the scene. The entire building went up in flames.

The cause of the explosion wasn’t immediately known.