An investigation by the Occupational Safety and Health Department has revealed that ground instability led to the gas pipeline explosion in Putra Heights.<br /><br />The Petroleum Safety Department director, Husdin Che Amat, explained that the lower part of the pipeline was not adequately supported by the soft and moist ground.<br /><br />Read more at https://tinyurl.com/4xcvfa6a <br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline