Norwegian cross-country skier Therese Johaug says she is 'devasted' after her country's skiing federation confirmed the 28-year-old had returned a positive test for a banned substance found in sunburn cream on Thursday.
The top moments from the Beijing Winter Olympics on Sunday.
Norway nabbed the first gold medal of the Winter Games on Saturday
Cross-country skier Johaug to call time on Olympic career after Sunday's 30km.