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Authorities on Thursday continued to investigate the cause of a West Hills explosion that destroyed a garage and damaged five homes.

The Los Angeles Police Department’s drug lab unit found “no criminal activity” at the site of the blast in the 7500 block of Sale Avenue, near Saticoy Street.

Officials with the Southern California Gas Co. said crews also have not detected any leaks on their equipment.

“Our crews responded, conducted tests and surveyed the surrounding area,” said spokeswoman Melissa Bailey.

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