Lexington, Mo. — An investigation by the National Transportation Safety Board has revealed critical details regarding the house explosion last month that resulted in the tragic death of a five-year-old boy and left his father and older sister with severe injuries.
The NTSB’s preliminary findings indicate that a subcontractor from Alfra Construction, who was installing a fiber optic line, inadvertently pierced a four-inch polyethylene pipe carrying pressurized natural gas near the intersection of 18th and Franklin streets shortly after 4 p.m. on April 9. The subcontractor promptly notified the Lexington Fire Department and the pipeline owner, Liberty Utilities, about the situation. First responders were on the scene around 4:20 p.m., followed by utility crews, which arrived roughly 20 minutes later to assess and isolate the leak. While nearby businesses were evacuated, residents within an 80-foot radius of the gas leak were not.
The house explosion occurred around 7:42 p.m., approximately three hours after the initial leak was reported. The damaged gas main was successfully isolated around 8:12 p.m. The findings underscore a troubling gap in emergency management, as the investigation zeros in on the actions taken by Liberty Utilities following the utility marking requests submitted by Alfra Construction five days prior to the explosion.
Officials from Liberty Utilities confirmed that they marked all their underground utilities on April 7. However, the NTSB has noted that the specific segment of the gas main that was ruptured was neither identified nor marked during the process. This lapse is likely to be a focal point in the ongoing investigation, which will also evaluate Liberty Utilities’ response protocols and maintenance history, as well as local emergency preparedness and evacuation practices.
In the aftermath of this tragedy, Jacob Cunningham, the father of the deceased boy, filed a wrongful death lawsuit in Lafayette County Circuit Court against Liberty Utilities and the three companies involved in the fiber-optic installation, seeking damages for the loss of his son and injuries sustained by his family.
The NTSB is continuing to explore multiple facets of the incident, including the adequacy of communication between construction teams and utility companies, as well as the effectiveness of local emergency response strategies. As the investigation proceeds, more details will emerge about safety practices and regulatory compliance in the utility sector, raising important questions about accountability in such catastrophic events.