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Investigators have confirmed a brake problem caused a fatal crash between a church bus and two other vehicles last week.

On Thursday, a church bus carrying teenagers from Berea Christian Church in Brazil, Indiana, ran through a red light on Oglewood Avenue and into traffic on Broadway.

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The bus hit a car driven by Jewell Winton, 54, of Knoxville. She was killed in the crash.

The bus also hit a truck driven by Cory Butcher, 16. He was treated and released from UT Medical Center. His father, Sam Butcher, was a passenger in the car. On Friday, he was listed in stable condition at UT.

Five teenagers on the bus were also taken to the hospital for treatment, but none of the injuries were life-threatening.

Related: THP investigation connects the dots in fatal bus crash

On Monday, investigators from the Knoxville Police Department and the Tennessee Highway Patrol's Critical Incident Response Team (CIRT) completed their inspection of the 2001 GMC bus. They concluded that a problem with the brakes prevented the bus from stopping at the intersection, but have not released any further details about the nature of the problem.

The full inspection report will not be completed for several more weeks

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