At least four people have been killed in two separate train accidents in Tennessee within 24 hours. According to reports, one man was fatally hit by a train in Madison around 5 a.m. Friday. Authorities say two men were sitting on the tracks. One man managed to get off the tracks in time…the other didn’t  On Thursday afternoon, three people were killed in McMinn County after their vehicle was hit by a train while crossing the tracks. The THP identified them as 45-year-old Wendy Humphreys from Chattanooga, 46-year-old Johnny Ashworth from Chattanooga, and 17-year-old Jasmine Ashworth from Calhoun, Georgia. A Norfolk Southern representative said that the THP has taken control of the investigation.