JOHANNESBURG — Five miners who were trapped last week after a mudslide flooded a shaft remain unaccounted for and are “now presumed deceased,” the owners of the diamond mining company in South Africa said Wednesday, announcing that it had filed for liquidation and shut the mine.
The incident occurred in the early hours of Feb. 17 at the Ekapa Mine in Kimberley, the capital of Northern Cape province, when a sudden surge of water, mud and rock in minutes inundated an underground section of the mine, blocking access to its lowest mining level, around 800 metres (half a mile) underground.
The mine owners, Ekapa Resources and Ekapa Minerals, said despite rescue efforts that included drilling and assessments by specialist teams conditions…