 Complete the following phrase:  The 1928 race was the first of many tragedies that befell this venue. Italians Emilio Materassi in a Talbot and Giulio Foresti in a Bugatti were battling around the fast circuit. As they came off the banking onto the left side of the pit straight at 125 mph 200 kmh, one of the front wheels of Materassis overtaking Talbot touched one of the rear wheels of the Bugatti. Materassi lost control of the car, swerved left, cleared a 15-foot wide and 10-foot deep ditch and ploughed into the unprotected grandstand opposite the pits, killing himself and 27 spectators, and injuring another 26. It was the worst accident in motor racing history and remained so until the 