At least 5 people are dead and at least 60 are injured after a massive pile-up early Sunday morning.br Business Insider reports the mass casualty crash took place on the Pennsylvania Turnpike in Mount Pleasant Township.br The deadly event involved a tour bus, two tractor trailers, and numerous passenger cars.br One hospital treating 25 people from the crash said the patients range from age 7 to age 52.br Of the 25, nine are under the age of 18.