MINNEAPOLIS (WCCO) — The Hennepin County Medical Examiner has released more information in the death of a woman at the homeless encampment in Minneapolis.

According to the medical examiner, 51-year-old Pamela Rivera died of an accidental overdose from a combination of fentanyl and methamphetamine toxicity.

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In late September, Rivera suffered an overdose at the Hiawatha encampment and was transported to Hennepin Healthcare where she was pronounced dead.

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Minneapolis police are investigating.

Rivera’s death is the third connected to the group of hundreds of people sleeping in tents near Hiawatha and Franklin avenues. In less than a month, two others have died in or near the camp.

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Currently, city officials are working with the Red Lake Band of Chippewa to relocate the encampment to a temporary housing facility.