The mine-owning company said on Wednesday that twenty-nine miners trapped underground in northern Ontario have safely returned to the surface.
Vale said the rescue operation at the Totten Mine near Sudbury, Ont., has been completed.
“I would like to congratulate our rescue team,” Vale CEO Eduardo Bartolomeo said in a statement.
“Bringing our 39 employees home safe and sound was our top priority and we are glad that our emergency plans and procedures worked to deliver that result. All the employees are now safe and deserve our deepest respect for their perseverance and determination.”
On Sunday, when a scoop bucket was being sent underground, workers got trapped in the mine and blocked the mine shaft.
The company said some miners were trapped 1,200 meters below the surface.
He had to climb several steps to get out of the mine and was helped by a rescue team.
The rescue operation started on Monday night.
The company’s rescue team and a team of 58 respondents from the Ontario Mine Rescue Agency helped stranded workers through their long trek up the ladder system, the company said.
“This is tremendous news coming out of very difficult circumstances,” Bartolomeo told the mine.
“At Vail we were all focused and committed to the safe return of our employees underground.”
Bartolomeo said the company would launch an investigation into what happened “so that the company can learn from it and take steps to ensure it never happens again.”
Vale said workers stayed in underground “asylum stations” and had access to food, water and medicine before climbing out.
The province’s Ministry of Labor, Training and Skill Development said an inspection team would investigate the incident.
The Totten Mine opened in 2014 in Worthington, Ont., and produces copper, nickel, and precious metals. It employs about 200 people.