@CNN: Two Russian curlers have given back their Winter Olympic bronze medals after one of them, Aleksandr Krushelnitckii, tested positive for the banned substance meldonium https://t.co/5YC0OAyERe #PyeongChang2018 https://t.co/NIKxnSUYeW

@CNN: Two Russian curlers have given back their Winter Olympic bronze medals after one of them, Aleksandr Krushelnitckii, tested positive for the banned substance meldonium https://t.co/5YC0OAyERe #PyeongChang2018 https://t.co/NIKxnSUYeW