An alert driver helps stop a fire before it could destroy a Lexington business.
The passerby noticed smoke coming from Tickard Door Covering on Porter Place early this morning.
Firefighters put the flames out just 10 minutes after arriving on the scene.
Firefighters say a van inside the building caught fire. They're still investigating what caused the van to catch fire.
The fire caused serious damage to the van and the roof of the building.
No one was inside when the building caught fire and no one was hurt.