Glencore and Trafigura are among traders checking their aluminum inventories after several domestic trading firms claimed last week they were duped into providing loans against artificially inflated stockpiles.

The opaque world of funding commodities trading in China is again under the spotlight.

The lawsuit challenges Australia's response to Russia's invasion of Ukraine, which included wide-ranging sanctions against Russian firms.

Nornickel said no one had been injured in the incident.

As known resources are depleted and projected demand for key minerals increases, finding the next new deposits has become more urgent.