Games-Chinese hammer gold medallist Zhang tests positive

INCHEON, South Korea, Oct 3 (Reuters) - Women's hammer gold medallist Zhang Wenxiu of China has failed a doping test at the Asian Games and has been thrown out of the competition, the Olympic Council of Asia (OCA) announced on Friday. The OCA said she had tested positive for the banned substance Zeranol. Zhang becomes the sixth competitor to test positive at the Games, which end on Saturday. (Reporting by Peter Rutherford; Editing by Amlan Chakraborty)