Summary: A fire alarm was reported at St. Joseph's Catholic School in Huntington, West Virginia. Multiple fire units, including Engine 4 and Rescue 11, were dispatched to the scene. Upon arrival, Major 1 reported nothing showing. Further investigation revealed the alarm was triggered by a duct detector in the HVAC system in the basement, with no fire present. The system failed to reset initially, but the incident was ultimately cleared and all units returned to quarters.