According to the Coahuila Labor Secretariat, the mine, located just outside the town of Muzquiz, collapsed Friday, June 4, when the walls of an adjoining inactive mine eroded after having been flooded.
The accident happened when the miners inadvertently struck the wall of the adjoining mine, leading to its collapse, state authorities.
The first body was retrieved on Saturday, June 5, and several others were recovered throughout the week.