Transport Minister Datuk Seri Dr Wee Ka Siong said periodic and random drug tests should be conducted on heavy vehicle drivers on top of heavier penalties to prevent driving under influence.<br /><br />Read more at https://bit.ly/3P90vFj<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline