By Alex Lane - A four car pile-up Tuesday morning in Jackson sent four people to the hospital and backed up traffic for hours. According to a police witness at the scene, the wreck began with a fender bender and ended in a domino-effect collision. The driver of a car headed East on Hwy 88 was turning left onto Carriage Way. A white pickup and another person in a four door sedan were aligned behind the first car. A fourth vehicle, another pickup driven by an elderly gentleman, failed to notice the vehicles stopped in front of him and plowed into the rear of the sedan. This started a chain reaction of collisions. Two cars were forced off the road by the impact. One vehicle veered into the West bound lane and collided head on with another car. Just prior to the crash, a house fire in Jackson required assistance from other agencies who sent several fire vehicles down Highway 88 from the upcountry area. Since the road was completely blocked due to the collision, there was a logjam of fire personnel at the scene trying to clear the road so they could continue to the fire. Traffic was also backed up in both directions for some time.