Watch: Michael Andretti (McLaren-Ford) and Gerhard Berger (Ferrari) collide at start of 1993 Brazilian GP. Start of the 1993 Brazilian GP.

Video: Michael Andretti (McLaren-Ford) and Gerhard Berger (Ferrari) collide at the start of the 1993 Brazilian Grand Prix held at Interlagos on 28 March. Both drivers were unhurt. Commentary from Murray Walker and James Hunt (BBC Sport)