Bogota, Nov 11 (UNI) An explosion at a coal mine in the Colombian city of Topaga, which was caused by the accumulation of gases, left two people dead and other two injured, local authorities said.
"Two of the workers were found without vital signs and with severe burns," Topaga's mayor Alvaro Barrera said.
Members of the National Mining Agency, Boyaca Police and Civil Defense arrived at the scene after the explosion was reported to begin rescue efforts, he said.