The cause of the fire and explosion has not been determined yet, but investigators have isolated the center of the blast, Assistant State Fire Marshal Kelly Kistner said Sunday.
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The arrest details came as authorities said they were conducting a criminal investigation into the fire and explosion.
The Dallas Morning News reported that West Fertilizer had told the Environmental Protection Agency that it presented no risk of fire or explosion.
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The U.S. Chemical Safety Board said in a news release that it was deploying a "large investigation team" to the scene of the fire and explosion.
The announcement follows news last week that authorities launched a criminal investigation into the April 17 fire and explosion in West, about 70 miles southwest of Dallas.
The arrest details came as authorities said they conducting a thorough criminal investigation into the April 17 fire and explosion that killed 14 in the small town of West.
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Boniface Onjefu recalled driving toward the fire after the explosion rattled his house.
The fire caused an explosion that damaged more than 1, 000 buildings, according to the website of the Texas Historical Association.
It began on April 20th with a fire and an explosion on an exploratory rig 40 miles (65km) from the Louisiana coast.
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The explosion and fire at BP's Texas City refinery killed 15 people and injured 180 staff.
There was no explosion or fire at the scene, the fire service said.
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Flats and a restaurant on the corner of Bridge Street were destroyed in the explosion and fire in January 2010.
Looking at crucial steps BP has taken in crisis management since the oil rig explosion and fire, you see a more mixed story.
But for survivors like Sharon Simmons, the first explosion and fire, no matter the cause, was enough to send them running from WTC 2.
The BP well erupted after an explosion and fire on the leased Deepwater Horizon drilling rig on April 20 that killed 11 people.
Bayou Perot was the scene of an explosion and fire on a specialized oil rig in December 2010 in which three men were injured.
Mr. Swanton said authorities didn't yet know if the fire and the subsequent explosion was an accident or intentionally set, according to the Associated Press.
Last August a gas leak at the Amuay refinery in western Venezuela led to an explosion and fire that burned for days and killed more than 40.
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How did that fire spark the massive explosion that tore through the northern part of town -- killing 14 people, including nine first responders, and injuring hundreds of others?
Lagos, Nigeria (CNN) -- At least one person died and 40 people were seriously injured in Nigeria on Wednesday when an explosion and fire erupted in a crowded Lagos marketplace, authorities said.
If you asked my wife, she would say "yes" because for awhile, during that minute or so after the pop, she thought that the explosion and fire might cause a hole in the side of the plane that would decompress it.
The judge also agreed to rule out punitive damages against Cameron International, the manufacturer of the blowout preventer on the ill-fated Deepwater Horizon rig, which was rocked by an explosion and fire in 2010 that killed 11 workers and touched off the enormous spill.
Officials are still trying to determine what caused the fire that lead to the explosion.
Officials face a difficult task in reconstructing the fire that preceded the deadly explosion.
The explosion and ensuing fire killed 11 workers and ruptured a well deep below the surface.
Nearly 70 federal and state investigators are still trying to determine what caused the fire that set off the explosion, Kirstner said.
The resulting explosion silenced the enemy fire, but also ended Specialist Four Sabo's life.
The resulting explosion silenced the enemy fire, but also ended Specialist Sabo's life.
The uncle was suspicious that the gunpowder was bewitched, tried to neutralise it with fire, and in the resulting explosion was killed.
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