The sale of the silver-zinc producer, which has five operating mines, is part of Glencore's efforts to further simplify the business.

The country's environmental regulator SMA issued four transitory measures, which the miner must fulfill in 10 and 20 days.

It said the spinoff of its battery and critical metals exploration unit, Disko Exploration, is no longer considered the right strategy.

A study on moonmilk led to the discovery of a compound active against superbugs.

The coloured gems miner has halted operations and vacated its 75%-owned Nairoto Resources exploration camp after an insurgent attack on a nearby village.