Chickasaw Journal A person is dead after a wreck involving an 18-wheeler and an ambulance in Chickasaw County. The wreck happened on Highway 32 between Van Vleet and Okolona. It is believed the MedStat ambulance was transporting a patient. There is no immediate word on who died. The wreck has blocked the road to traffic, which is being rerouted to County Road 131. More information on this story as it becomes available.