Firefighter killed in gas main explosion in Wisconsin town

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A gas leak caused a building explosion in a suburb of Madison, Wisconsin Tuesday. (WLS)

An explosion rocked a Wisconsin community after a contractor struck a natural gas main in a downtown area filled with bars and other businesses, killing one firefighter and injuring other first responders, authorities said.

Firefighters and police officers responded to a reported gas leak, and an evacuation was underway when the blast happened Tuesday, said Sun Prairie police Lt. Kevin Konopacki. He added that lives were likely saved as a result of the evacuation.

Konopacki said buildings would be searched in the Madison, Wisconsin, suburb of about 30,000 once the flames were out. Firefighters were still battling flames more than three hours after the explosion.

The powerful blast around 7:15 p.m. sent a plume of smoke and flames into the air.

Six firefighters were transported to a hospital. One died, and one remains in critical condition. Four others suffered what is being described as minor injuries.

Seven civilians were treated for minor injuries and later released.

WE Energies spokeswoman Amy Jahns said workers for a contractor apparently punctured a 4-inch natural gas main, sending gas leaking into a building ahead of the explosion. All 12 gas lines in the area were shut off by about 9:30 p.m.

The blast about half a block from City Hall appeared to be centered on the Barr House, a pub. Authorities evacuated a half-mile radius and set up a shelter at Sun Prairie High School.

Steve Owen, 60, who owns Sun City Cyclery and Skates in downtown Sun Prairie, said he saw firefighters and police officers on the street and then the explosion happened. He said the building across from his shop "literally lifted up."

He said the force of the blast knocked him back in his chair and that he ran outside and saw a ball of fire.

"People were scrambling," said Owen, who lives above his shop.

Jill Thompson, 56, who lives about two blocks from where the blast occurred, said, "It shook the whole building. I thought someone had hit the building with their vehicle. We seen the smoke immediately."

The Associated Press contributed to this report.
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explosionfireu.s. & worldWisconsin