A search warrant filed in Hennepin County reveals the suspected cause involves the homeowner attempting to extract THC oil from marijuana.

https://www.kare11.com/article/news/local/house-explosion-caused-by-man-attempting-to-extract-marijuana-oil-search-warrant-says/89-f51d0db3-ffb9-41a4-9067-58e6250dbae8

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