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1 Dead, 5 Injured In Tacony Gas Explosion

PHILADELPHIA (CBS) -- As of Wednesday evening, sources told Eyewitness News, three PGW workers -- Keith Henderson, Kevin Sommerville and Bill Mahoney -- remain in critical but stable condition at Temple University Hospital's Burn Unit.

According to the firefighters union President, Bill Gault, firefighter Don Pearl was treated and released.

"That was a bad scene last night. We were very lucky," Gault said.

Natasha Brown reports...

The union president added, a fire lieutenant also suffered minor injuries in the explosion.

Sources confirmed a fourth PGW worker, Gilbert Velasquez, was released from the hospital overnight and is at home recovering from a minor concussion. >>> See: Photos From The Scene

A fifth PGW worker, first reported missing, was later confirmed dead at the scene. On Wednesday, the deceased victim was identified as 19-year-old Mark Keeley. According to his Facebook page, Keeley is an avid sports fan, a recent Cardinal Dougherty grad who just started work with the gas company.

Back at the scene of the blast, it was clear, Keeley's death was heartbreaking for so many who didn't even know him.

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Georgeanne Huff-Labovits is one of them. She owns a building at the scene of the explosion that could soon be torn down but her concerns remained with the grieving family.

"This family lost somebody and that's sad. This can all be rebuilt. That kid's life can't come back and it's so sad," Labovitz added.

Eyewitness News also learned funeral arrangements were finalized. The viewing is set for Friday and the 19-year-old will be laid to rest on Saturday.

The exact cause of the deadly explosion remains under investigation.

Reported By Elizabeth Hur, CBS 3

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