South Africa's president is facing calls to order an inquiry into a police operation that was meant to combat illegal mining but ended up leaving 87 miners to die underground as authorities attempted to force them to surrender during a monthslong standoff.

More than 70 people have reportedly died while trapped in a mine after a monthlong standoff with the South African government over illegal mining. CBS News' Chris Livesay has more.

No more illegal miners are believed to be trapped underground at a gold mine in South Africa, volunteers working with rescue teams have said.

Police say the death toll in a monthslong standoff between authorities and miners trapped while working illegally underground at an abandoned gold mine in South Africa has risen to at least 87.