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DALLAS (1080 KRLD) – Atmos Energy has been hit with a huge lawsuit over last year’s explosion that damaged a neighborhood in Waxahachie, and nearly 30 plaintiffs have signed-on.

The lawsuit blames Atmos for not monitoring Metrobore, the contractor that allegedly cut through both gas and sewer lines.

Attorney Tom Carse tells KRLD news the leak went unnoticed for four days – until Adele Chavez turned on her stove and ignited the leaking gas in September of last year.

Chavez’s home exploded, burning her and her brother.  Several other homes in the immediate neighborhood were also damaged.

Chavez and the other 26 plaintiffs are seeking more than $1 million in damages.

A separate suit was filed against Metrobore last year.

Atmos could not be reached for comment.

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