The fire started just after 3:45 a.m. behind the store on the 900 block of South 13th Street, according to police.
Flames spread through HVAC units and into the roofline after a ruptured gas line created blowtorch-like flames, Harrisburg firefighters said. Crews quickly contained the blaze before it spread inside.
A Harrisburg sanitation worker who spotted the fire and called 911 is credited with saving the store from extensive damage, Fire Chief Brian Enterline said…