David Molnar/Springfield Republican/AP

A firetruck is parked next to a damaged building after a nearby gas explosion leveled another building in downtown Springfield on Friday.

David Molnar/Springfield Republican/AP

An injured firefighter is wheeled from the scene.

David Molnar/Springfield Republican/AP

Gas company workers stand where a building once stood.

David Molnar/Springfield Republican/AP

Glass and debris litter the street after the explosion.