Police in Knoxville, Tenn. say a man driving with a suspended license managed to be involved in three hit-and-run crashes before hitting a telephone pole and flipping his car – all in 17 minutes.

Sidney Jackson, 31, first rear-ended another vehicle with the blue 1991 Chevrolet Lumina he was driving at around 3:31 p.m., sending two people to the hospital, Knoxville Police Department Lieutenant Greg Hoskins told the Knoxville News Sentinel.

Knoxville Police Department spokesman Darrell DeBusk said Jackson then drove away from the scene and into another car just three minutes later, sending another person to the hospital.

Jackson again fled the scene, this time waiting 12 minutes before striking two more cars, Debusk said. No one was injured in that crash.

Two minutes later, Jackson crashed into a pole and flipped his car, Debusk said. This time Jackson was sent to the hospital.

DeBusk told the Sentinel Jackson’s condition was unknown and the reason for his behavior was still unclear, but that police were testing for drugs and alcohol and suspect a medical condition may have led to the series of wrecks.

Click here for more on this story from the Knoxville News Sentinel.