Thirteen miners trapped in Russian gold mine, authorities say

The latest restriction adds to a ban on Russian diamonds announced in December.

The sanctions could benefit other coal suppliers such as Indonesia, Australia and South Africa.

The US investment firm has reduced its stake in the gold miner to 7.45% from 9.91%.

East Star currently holds copper licenses on the Verkhuba deposit, which hosts a JORC-compliant exploration target of 19-23 million tonnes grading 1.4-1.9% copper equivalent.

Polyus's net profit rose 12% to $1.7 billion last year thanks to increased production and sales.

Russia is the biggest global supplier of uncut diamonds by volume.

Harmony Gold says it will pay a record interim dividend.

Russia's new silver mine Prognoz is one of two major projects coming online around the world this year.

The Canadian government has scrutinized Chinese investment in the country’s junior mining sector.