Two workers suffered burn injuries in an explosion at an under-construction coal-fired thermal power plant at Gandamara in Banshkhali upazila on Saturday. The victims are Shahadat Hossain, 22, and Imam Uddin, 31. Read: Massive fire at Ctg container depot: Death toll climbs to 49, over 200 injured The explosion occurred from an unknown source at S Alam Power Plant on Saturday afternoon, leaving two workers injured, said Md Jahangir, additional superintendent of Chattogram district police. Later, the victims were taken to Chittagong Medical College and Hospital. However, it is still not clear what caused the explosion, added the officer. Arman Chowdhury, a resident doctor of Banshkhali Upazila Health Complex, said among them Imam's leg was broken and one of Shahadat's hands is almost severed and his condition is critical.