Canadian GP: Ayrton Senna, McLaren MP4-5B Honda, leads as Andrea de Cesaris, Dallara BMS-190 Ford, battles with Jean Alesi, Tyrrell 019 Ford, behind.
Ayrton Senna, McLaren MP4-5B Honda, leads as Andrea de Cesaris, Dallara BMS-190 Ford, battles with Jean Alesi, Tyrrell 019 Ford, behind.