At least 21 people were killed and more than 30 others injured when a passenger bus plunged off a cliff in Kotmale, central Sri Lanka, on Sunday (May 11).<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
