Allegheny County homicide detectives are investigating a one-vehicle accident in Plum this morning that sent a woman to the hospital, according to a county 911 supervisor.

The woman was thrown from the vehicle after it rolled over around 2:19 a.m. at Old Frankstown Road between Center and Cooper roads, Plum police said.

It was not clear why homicide detectives were investigating a one-vehicle crash.

"They're involved with this one, that's all I can tell you," the 911 supervisor said.

No further information was available.

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