Members of the Cumberland County Coroners Office investigate the scene of a tour bus crash on the Pennsylvania Turnpike on Saturday, March 16, 2013 near Carlisle, Pa. Authorities say the tour bus crashed on the freeway at mile marker 227 in central Pennsylvania, and serious injuries have been reported. Lacrosse players from Seton Hill University and three coaches were among the 23 people aboard when the bus crashed at about 9 a.m., turnpike spokeswoman Renee Colborn said. It's not clear what caused the crash, but state police were investigating, said Megan Silverstram of the Cumberland County public safety department. (AP Photo/The Sentinel, Jason Malmont ) MANDATORY CREDIT less