Canada's Magna Gold Corp said three of its employees died at the company's San Francisco Mine on Tuesday.
"Three mine employees were in the fine ore storage area when a cave-in occurred," the company said in a statement on Wednesday.
The cause of the cave-in was unclear and an investigation will be conducted to determine the cause of the accident, Magna said.
(Reporting by Arunima Kumar in Bengaluru; Editing by Shinjini Ganguli)
