NTSB Sends 8 Investigators to Probe Dallas Gas Blast That Killed 3

7 articles · Updated · NBC DFW · May 29

Three people were killed and five injured after a ruptured gas line ignited a five-alarm fire that destroyed the Clyde Apartments in Oak Cliff, prompting the NTSB to deploy an eight-member team Friday.
The building owner’s attorney said an engineering subcontractor hit the line while boring for soil testing tied to a pending sale of the property and an adjacent site.
Dallas Fire-Rescue said crews searched the debris by hand, drone and cadaver dogs and found no additional victims; no residents remain unaccounted for.
Investigators have not confirmed whether 8-1-1 was contacted to mark underground utilities before digging began, a key question in determining how the rupture occurred.
The NTSB asked witnesses and anyone with surveillance video to submit information as the federal probe examines the gas-fueled explosion.

With conflicting reports and a history of incidents, was this Dallas explosion a tragic accident or a predictable system failure?

A property sale's soil test killed three people. Who bears the ultimate legal responsibility for the tragedy?

Advanced tech can prevent pipeline ruptures. Why isn't it mandatory for all urban excavation projects?