A gas explosion in a coal mine in Iran's South Khorasan Province killed at least 51 people and injured 20, Iran's state media said on Sunday (Sept 22).<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline<br />
