Three were killed in a natural gas pipeline explosion near Cleburne, TX, in Johnson County in North Texas, Dallas-Fort Worth TV station WFAA reported Monday afternoon.

The 36-inch diameter pipeline is part of the Enterprise Products Partners Texas Intrastate system, the company said, according to Reuters.

“We have isolated that segment of line,” Enterprise spokesman Rick Rainey told the news service. “Our crews have been dispatched to the scene. Basically that line is equipped with line breaks that allows us to shut in that segment in case of a sudden drop in pressure.”

The explosion was thought to have been caused by an electrical crew, which was digging and struck the pipe.

The station said on its website that according to the Cleburne city manager, at least 10 were missing and “a lot of people have been transported to [a] hospital with burn injuries.”

“About 2:40 p.m., we heard a loud explosion, rumbling, almost like a tornado. It shook our entire house. The plume of smoke that came out or steam is heading this way, the wind is blowing it right over our house. We are trying to work out whether it is something we need to evacuate or not,” said resident Laura Harlin in Johnson County, as reported by WFAA.

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