Officials in Texas say seven people have been injured in a natural gas explosion near Houston Published March 6, 2021 • Updated on March 6, 2021 at 8:28 pm George Rose/Getty Images Utility workers trying to repair a broken gas line north of Houston struck another one, causing an explosion that injured six of them, including one critically, authorities said. The explosion happened Friday in Klein, said Rachel Neutzler, a spokesperson for the Harris County fire marshal. The CenterPoint Energy workers were repairing a 2-inch gas line when they struck a larger one, sparking the explosion, she said. Download our NBC DFW mobile app for Apple or Android to get alerts for local breaking news and weather.