The Zambian government has taken over the running of a Chinese-owned coal mine after revoking its licence because of safety lapses.

BBC: Collum coal mine

In August, as the U.S. watched rescuers attempt unsuccessfully to reach workers trapped following a fatal accident at a Utah coal mine, lawmakers inevitably called for tougher safety regulations to govern the industry.

FORBES: America's Most Dangerous Jobs

Massey Energy for failing to report more than 20 accidents at its Upper Big Branch coal mine in the two years before an April explosion killed 29 miners there, according to documents released by the Mine Safety and Health Administration on Tuesday.

FORBES: Massey Cited For Not Reporting Accidents