(PUTNEY, Vt.) -- A tour bus taking University of Massachusetts students on a ski trip overturned Friday in Vermont, injuring 17. The accident occurred on Interstate 91 near Putney, Vt. The university said all 16 students, not including the driver who was airlifted out, were released from the hospital. Twenty-eight other students on the bus were fine.
The owner of the bus service told reporters that the driver might have suffered a heart attack or anxiety attack before the crash.
The southbound lanes of I-91 were closed after the crash and traffic was diverted onto Route 5.
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