Miners in Myanmar have discovered a massive ruby, now ranked as the second-largest by weight ever found in the conflict-affected Southeast Asian country.

A gas buildup triggered an explosion at a coal mine in Colombia’s central Cundinamarca department, leaving 14 miners trapped and two others evacuated, local authorities reported.

At least four miners died from carbon monoxide poisoning at a precious stones mine in Afghanistan’s northern Badakhshan province on Friday, local police said.

Three gold miners were killed Monday in a mudslide at a mine in Badakhshan province, northern Afghanistan.

Chilean copper giant Codelco stated on Friday that it aims to reach five trapped workers at its flagship El Teniente mine within the next 12 hours, after a collapse that resulted in one fatality.

Rescue operations are underway after a collapse at the Lomera gold mine in South Kivu province, Democratic Republic of Congo (DRC), trapped an unknown number of miners underground.