Barisan Nasional secretary-general Tan Sri Annuar Musa has apologised after several Parti Pribumi Bersatu Malaysia (Bersatu) youth leaders were being booed at a Barisan Nasional Youth event held in Tanjung Malim on Saturday (Aug 15).<br /><br />He hoped such incidents would not happen again. <br /><br />PPBM youth leaders were booed at the launch of the BN Youth election machinery for the Slim by-election at Trolak Felda.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline