The Perkoa mine, owned by Canadian firm Trevali Mining Corp (TV.TO) and located about 120km (75 miles) west of the capital Ouagadougou, was abruptly submerged on April 16 after torrential rain fell unexpectedly during the country’s dry season.
There had been faint hope during a month-long search and rescue operation that the missing men might have reached the rescue chamber, which is stocked with food and water and located around 570 meters below ground.
“The rescue teams have opened the…
