MADISON, Wis., July 4 (UPI) -- Police say they're investigating what caused a Greyhound bus to leave a highway and plunge through a fence, injuring 17 people in Madison, Wis.
The bus was carrying an estimated 80 passengers when it crashed Friday night on Interstate 39 near the Highway 151 interchange, state police said.
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The injured, who were taken to three hospitals, were expected to recover, Madison fire officials told the Wisconsin State Journal in a story published Saturday.
The bus came to rest in a field and was driven back onto the road after ambulances left with the injured, the Journal reported.
