7 injured in Northeast Fresno honey oil explosion

FRESNO, Calif.

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Firefighters say they received numerous 9-1-1 calls from neighbors who reported seeing heavy smoke coming from a courtyard. When they arrived, they found several smoldering fires as well butane and other solvents used to extract what's called "honey oil" from marijuana.

Six males and one female were transported to the hospital with second degree burns to their arms, chests and heads, one suffered burns to more than fifty percent of his body.

Firefighters say it's the fourth explosion in less than two weeks.

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