At least three workers sustained burn injuries in a gas explosion at Jamuna Shipbreakers Yard in Chittagong’s Sitakunda upazila on Sunday.Injured Md Pilot, 22, Md Samad, 40, and Md Jihad, 18, were admitted to the Burn Unit of Chittagong Medical College Hospital (CMCH).Abul Kalam Azad, officer-in-cha