FILE -- In this file photo taken on Aug. 15, 1997, Italy's Doriano Romboni powers his 500cc Aprilla during free practice for the British motorcycle Grand Prix at Donington park. Former Grand Prix motorcycle racer Doriano Romboni has died after being hit by another rider at a charity event in memory of the late Marco Simoncelli. The incident, which has tragic echoes of Simoncelli's death, occurred on Saturday, Nov. 30, 2013, during practice for the Sic Supermoto Day at the Latina Circuit near Rome. (AP Photo/Martin Cleaver)