World champion Nicol David and Mohammad Azlan Iskander both won squash gold medals for Malaysia on Sunday at the Asian Games. David recorded had an 11-8, 8-11, 11-6, 11-7 victory over Hong Kong's Au Wing Chi for her third Asian Games gold. Iskander, who was beaten in the final four years ago, defeated Pakistan's Aamir Atlas Khan in straight games in the men's singles final.