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Family of mother, infant killed in Oak Cliff apartment explosion sues Atmos for gross negligence

Atmos Energy is facing another lawsuit over the explosion in May that left three people dead inside an apartment building. 

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Marisol Perez, Eric Jr

The family of Marysol Perez and her infant son, Eric Jr., is filing a lawsuit alleging gross negligence by the utility company. 

Perez and her son were killed in the explosion at The Clyde apartments on May 28

Workers digging near the building struck a natural gas line, which later caused an explosion, killing three people. 

The attorney for the Perez family says Atmos had documented gas leaks in the area in the weeks before, which the lawsuit claims made the explosion much worse than it should have been. 

"So, what happened in this case, there was a lot of gas up under this building that had leaked," said Ted Lyon, the Perez family attorney. "So when he hit the line, the gas was escaping and then when it ignited, it didn't just ignite the gas it was escaping, which was blowing out the building. That ignited all the gas under the building and created this huge explosion."

Atmos has responded to the lawsuit by saying that pressure testing on the gas line after it ruptured showed that it was operating properly.

The lawsuit also claims that Atmos had recorded more than 1,000 missed digs last year, where gas lines were not properly marked.

Lyon has spent the last 30 years representing victims of gas explosions, but he says what happened on May 28 at the Oak Cliff apartment building is the worst he's seen by far. 

"They haven't even found the baby's body," said Lyon. 

Perez's 10-year-old daughter "...survived the explosion and was found crawling through debris before being rescued by a stranger," according to a new lawsuit filed against Atmos Energy. 

A National Transportation Safety Board report found that workers digging for soil samples in the area struck an Atmos gas line that had not been identified and marked. 

The family's attorney says Atmos hired the line location company responsible for mapping the area. 

In a statement to CBS News Texas, Atmos says, "The safety of our communities and employees is our first priority ... Our hearts go out to the people who were lost, their families, and everyone who has been impacted by this tragedy."

The lawsuit also claims that documented gas leaks in the area in the weeks before the explosion may have caused gas to accumulate beneath the apartment building. 

The lawsuit, one of four that have been filed since the deadly blast, does not specify damages. 

Atmos' full statement follows:

On May 28, Atmos Energy's service line to the apartment building at 409 East 9th Street in Dallas was struck by a third-party drilling company unrelated to Atmos Energy. Atmos Energy is actively supporting investigations by the National Transportation Safety Board (NTSB), the Railroad Commission of Texas, emergency responders, and all parties involved as they work to determine the cause of the incident. The NTSB issued a preliminary report on July 1, which is available here and confirms that the investigation is ongoing.

Engineering and Consulting Services Southwest, LLP (ECS) had contracted Barba Drilling, which was operating a drill rig for soil sampling near the apartment building. ECS is a party to the NTSB investigation.

In the days before the incident, USIC Locating Services, LLC (USIC), a professional line location and damage prevention company contracted by Atmos Energy, performed services to locate Atmos Energy's natural gas lines in response to a Texas 811 ticket that had been called in by ECS. USIC is a party to the NTSB investigation. According to the NTSB's preliminary report, the location of some of the natural gas assets had been marked, but the location of the relevant gas line had not been marked.

Following the incident, two pressure tests of Atmos Energy's natural gas lines, which had been installed in 1988, were performed. Both pressure tests passed. The first pressure test was of the main and the service line to the apartment building up to where the service line was struck by the third-party drilling company unrelated to Atmos Energy. The second pressure test was of the service line from where it was struck to the meter at the property.

The safety of our communities and employees is our first priority. We are grateful to Dallas Fire Rescue and all first responders who bravely responded to this incident. Our hearts go out to the people who were lost, their families, and everyone who has been impacted by this tragedy.

The most common cause of outside natural gas leaks is digging or construction that disturbs natural gas pipelines. If you nick, scrape, or dent a natural gas pipeline, call 911 and then call Atmos Energy's 24-hour emergency number at 866-322-8667. Even minor damage can weaken a pipeline and lead to a future leak.

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