Nadzeya Ostapchuk stripped of women 's shot put gold after failing a drug test . Score: 6 New Zealand 's Valerie Adams has been awarded the gold medal . `` The athlete was first requested to provide a urine sample for a doping control on August 5 . Russia 's promoted to silver medal position , with China 's Ligiao Gong now third .
Nadzeya Ostapchuk stripped of women 's shot put gold after failing a drug test . Score: 6 New Zealand 's Valerie Adams has been awarded the gold medal . Russia 's promoted to silver medal position , with China 's Ligiao Gong now third .