An update is available regarding the apartment building explosion that occurred in Oak Cliff at the end of May. The National Transportation Safety Board has released its first report on the incident.

The report indicates that the gas line involved was not properly marked. This information comes from investigators looking into the explosion.

For more details on the NTSB's findings, readers can refer to the full update from Fox 4's Dan Godwin, who has been following the story and providing updates from investigators.