Investigators say a gas leak that caused an explosion at a Northern Colorado mobile home earlier this week was caused by a contractor working in the area.

According to Mountain View Fire Rescue, a contractor was boring underground for fiber optic lines on Tuesday in Dacono's Glen Heather Court cul-de-sac when they struck a gas line. Firefighters and Black Hills Energy employees responded to a call alerting them to the gas line break, but only found a light odor of gas. MVFR said there were no readings on the air monitor, and after inspecting the area near the leak, the Black Hills Energy repair crew released the firefighters from the scene.

The aftermath of a mobile home fire was seen in Dacono, Colorado, on Tuesday, Dec. 2, 2025. CBS

MVFR's Engine 207 crew was responding to a m

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