Spokesman says 20 employees were inside at time of explosion
Fire investigators are looking for the cause of an explosion and fire at the Air Liquide cylinder plant in La Porte that has left one person dead and another injured.

(Photo courtesy of KTRH television partner KPRC Local 2)
Around 8:00 am Saturday, emergency crews were called out to Fairmont Parkway near Bay Area Boulevard.
A spokesman for the company, which supplies and mixes nitrogen and carbon dioxide for oil and gas producers, said 20 employees were inside at the time. He said one person was unaccounted for and another person was airlifted to the University of Texas Medical Branch in Galveston with serious burn injuries and in serious condition.
"We've got a tremendous safety record and this is something we hate to see," said Mike Rosen with Air Liquide. "We train and we do what we can to take care of these things and we're working towards that."
Hear the podcast with Matt Patrick and Houston's Morning News as he talks with Air Liquide Dir. Of Communications Heather Brown:
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