3 people injured, taken to hospital, after a 12 vehicle, chain-reaction crash on snowy I-79 in Washington County.

Twelve vehicles, including a tractor-trailer, were involved in chain-reaction crash Thursday on Interstate 79 in Washington County. A snow squall was slowing traffic in the northbound lanes in North Strabane Township when a utility truck couldn't stop and rear-ended a tractor-trailer and a car, state police said. The crash set off a chain reaction that involved 12 vehicles, police said. Three people suffered "serious to moderate" injuries, police said. Their conditions were not immediately available. The crash remains under investigation.