Tun Dr Mahathir Mohamad has successfully undergone an elective medical procedure, says the National Heart Institute (IJN).<br /><br />Read more at https://bit.ly/3G8WwnS<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline