Tom Pryce's accident occurred during the 1977 South African Grand Prix at Kyalami. The incident began when Pryce's teammate, Renzo Zorzi, parked his car on the side of the main straight due to a fuel meter failure, which caused the car to catch fire. Two marshals, one of whom was Frederik Jansen van Vuuren, crossed the track to assist Zorzi, despite the race still being in progress. As the marshals ran across the track, two cars driven by Hans-Joachim Stuck and Tom Pryce were approaching at high