LINCOLN COUNTY, Mo. (KSDK) - Seven passengers in a medical transport bus were injured Friday when the vehicle flipped over on Highway 61 at Highway KK.

It happened at approximately 2 p.m. Firefighters found several passengers trapped inside an overturned medical transport bus, and another two patients injured in a passenger car with heavy front end damage.

Firefighters, law enforcement officials and paramedics were able to help climb everyone in the bus climb through the roof hatch. The two passengers in the car were extricated by firefighters.

Five of the seven inured were sent to local hospitals. The remaining two did not seek medical treatment.

The Missouri Highway Patrol is investigating the cause of the crash.