PHILADELPHIA (CBS) — A homicide investigation is underway in Lower Heidelberg, Berks County.

Authorities say Madison Walb’s body was discovered in a wooded area off of Riegel Road on Sunday.

The 23-year-old is from Reading.

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An autopsy confirmed Walb’s death was a homicide, but detectives are awaiting results of toxicology tests.

Authorities have not announced any arrests.