NEW : Witnesseses tell NTSB the FedEx truck was on fire before hitting bus . ` ` It was like a horror movie , '' said a man in a wheelchair that was clipped by the bus . He said the investigation shows the southbound truck did not brake as it crossed the median at a 10-degree angle and entered the southbound lanes . A FedEx truck crossed the median , collided with the bus about 100 miles north of Sacramento . The crash killed both drivers , five students and two chaperones .
NEW : Witnesseses tell NTSB the FedEx truck was on fire before hitting bus . ` ` It was like a horror movie , '' said a man in a wheelchair that was clipped by the bus . A FedEx truck crossed the median , collided with the bus about 100 miles north of Sacramento . The crash killed both drivers , five students and two chaperones .