Summary: Emergency services responded to a gas alarm at 960 Denmark Way in Rockbridge County, Virginia. The alarm was triggered while the caller was mowing the grass, with no one inside the residence. Responders noted a smell of propane and found the house unlocked. The property was searched, and monitors showed normal readings, but a faint smell of gas persisted. Crews ventilated the house and attempted to reset the alarm. Law enforcement was requested for assistance, and the scene was managed until it was deemed safe.