<p>Three people were killed and 28 injured on Thursday in an explosion on a Thai PTT PCL gas transmission line at Samut Prakan, southeast of Bangkok, the company said.</p>.<p>"PTT joined local rescue teams to bring the wounded to the hospital" PTT said in a statement.</p>
<p>Three people were killed and 28 injured on Thursday in an explosion on a Thai PTT PCL gas transmission line at Samut Prakan, southeast of Bangkok, the company said.</p>.<p>"PTT joined local rescue teams to bring the wounded to the hospital" PTT said in a statement.</p>