Valdosta, GA : Georgia State Patrol probing fatal I-75 crash near Valdosta on Sunday night, August 10, 2014

Georgia State Patrol officials say four people were killed in a series of crashes on a stretch of Interstate 75 near Valdosta. The Valdosta Daily Times reports troopers were responding to one crash involving two vehicles Sunday night when a tractor-trailer sparked a second crash that involved eight vehicles. Authorities say a Florida man, a Tennessee couple and their 3-year-old granddaughter were killed in the second crash. Troopers say a vehicle in one of the freeway's southbound lanes blew a tire and the driver lost control, hit the median and was hit by another car. Authorities say a 21-year-old Tallahassee, Florida man and six people from Jacksonville, Florida were hospitalized in that crash. Georgia State Patrol Cpl. Peter Lukas tells WALB-TV the crashes are under investigation. Source : Georgia State Patrol probing fatal I-75 crash