An ultramarathon in northwest China’s Gansu province became fatal after extreme cold weather struck on Saturday.<br /><br />That's according to Xinhua on Sunday, which said 21 people were killed in the rugged mountains of the Yellow River Stone Forest.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
