Investigators Determine Marijuana THC Extraction Caused Explosion

Several full and empty butane cylinders were found at the scene of the explosion.

Firefighters have determined the cause of a Tuesday night house explosion. (Matt Schooley Photo)
Firefighters have determined the cause of a Tuesday night house explosion. (Matt Schooley Photo)
Tewksbury Fire Chief Michael Hazel said on Wednesday morning that a marijuana THC extraction process taking place inside an Astle Street home was the cause of the explosion that injured three people and destroyed the house.

Hazel said in a statement that the extraction process used butane gas, which led to a dangerous combination inside the home.

“The buildup of butane vapors within the apartment came in contact with an ignition source and an explosion ensued," said Hazel. "The process was being performed on and around an electric stove within the apartment."

Hazel said the incident remains under investigation, but added there were a number of full and empty butane cylinders found at the scene of the explosion.

Tewksbury Police Chief Timothy Sheehan was not immediately available when this story was published to comment on if any charges could result in the incident.

The house exploded at about 9:15 p.m. on Tuesday night, blowing out the windows, causing fire to spread to the attic, and requiring three Tewksbury residents who did not live at the home to be transported by helicopter to Boston hospitals.

"This was a very dangerous situation for the residents and the firefighters," said Hazel.

Check back with Tewksbury Patch for more on this story as it becomes available.
TONY D April 01, 2014 at 11:37 AM
Tewksbury2001 - Once DMR does reply you will be more confused as ever!! And she will reply!
MAP April 01, 2014 at 06:22 PM
Smoke one of those cannon size joints before you read it,then try to make sense of it all
Tommy April 03, 2014 at 08:30 AM
matt schooley.. maybe its time to clean up the comment section again matt. take a little control on your article
DCN April 03, 2014 at 08:49 AM
I find it to be immature and not setting such a great example by name calling as adults. This online information news is not for use of bullying. Name calling IS bullying. Why would an adult make such comments. The hurting victims are the focus here and you are taking it out of context and making it your personal issues. PLEASE try to refrain and keep to the headline at hand. No one wants to hear about your personal conflicts. I am sure you have good reasons to feel the way you do about each other...but it doesn't belong on "Tewksbury Patch". The comment section is geared towards comments about THE ARTICLE, NOT comments about each other.


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