A 17-year-old boy who said he was high on drugs tumbled over a cliff in an O'Hara park this afternoon and suffered a head injury, a county dispatch supervisor said.

The boy called 911 at 3:35 p.m. to report he had fallen over a cliff at Meadow Park and told the call taker that he was on salvia, a potent hallucinogen that's legal in Pennsylvania.

He suffered a head laceration and was taken to Allegheny General Hospital.

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