A fatal accident involving a tractor-trailer in Screven County Wednesday afternoon took the life of a man riding a wheelchair from Augusta to Savannah to raise awareness for people with disabilities. Frank Barham of Atlanta, was touring and making musical performances to help provide wheelchairs to people who cannot afford one, according to Internet website www.wheel2live.net. Margret Kargbo of Atlanta, a passenger in a van accompanying Barham, was also fatally injured in the crash.