A recent report from the National Transportation Safety Board has shed some light on a gas explosion that occurred at a Dallas apartment complex. The incident, which happened in late May, resulted in the loss of three lives and injured six others. The report reveals that the gas line involved in the blast was not marked prior to work being done.

This preliminary information provides some insight into the circumstances surrounding the explosion. For more details on the NTSB's findings, readers can refer to the full report, available from the source.