China's Tong Wen defeated reigning champion Maki Tsukada with eight seconds to go in heavyweight judo final on Friday at the Olympics, making the Chinese girl to be the first grand slam champion at the age of 25. Tong ipponed 26-year-old Tsukada with only eight seconds left in the five-minute showdown of women's over 78kg category judo when she was still behind the Japanese in score with an early lost of yuko. [Xinhua]