Police are still awaiting toxicology and post-mortem reports to determine the cause of death of 15-year-old Yap Xin Yuan, says Selangor police chief Comm Datuk Hussein Omar Khan.<br /><br />The reports are essential to establish whether Yap’s death resulted from a misunderstanding that escalated into an altercation or if it was linked to drug use.<br /><br />Read more at https://shorturl.at/YOpza<br /> <br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline