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A tour bus heading to Chicago and carrying dozens of people flipped over in Indiana.

The Megabus was headed to Chicago from Georgia when it crashed at 4:25 a.m. on Interstate 65 in the northbound lanes near mile marker 98 in Greenwood, Indiana.

According to Indiana State Police, officers were initially sent to the area for a car crash, but when they arrived on scene they also discovered an overturned tour bus. Police say the bus crashed while trying to avoid a car.

The bus rolled and landed on its side. 48 people were on board the bus at the time of the crash.

Several people were taken to the hospital with serious, but non-life threatening injuries.

One person's hand was trapped underneath the bus. She was taken to the hospital in critical condition.

Craig Steichen of West suburban St. Charles was jarred awake from a nap. "All I remember is a big thug, which was the truck that was in front of us. I rolled off the seat and then I just remember rolling and rolling and rolling, and just waiting for something to knock me out and praying that nothing would hit me."

In a statement, Megabus confirmed the incident and said "Our first thoughts and best wishes are with everyone involved. We will be providing assistance and support for all of our customers involved in this incident. Safety is our absolute priority and we are assisting the authorities with their investigation into the circumstances of the incident."

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