MMG said Las Bambas production had fallen 60% to 32,042 tonnes of copper concentrate in the second quarter.

Aluminum is one of the most energy-intensive metals to make, and the surge in power prices already knocked about 900,000 tons of smelting capacity offline in Europe and North America.

The LME said it was continuing to assess the sanctions Britain imposed in June on Potanin, known as Russia's "Nickel King".

The best result was an intercept of 295.5 metres at 234 g/t silver, 6.36% lead and 5.72% zinc.

Global stocks are up for the sixth day and the dollar weakened from 20-year highs.

The EU added Andrei Kozitsyn, former head of Urals Mining and Metals Co, to its list of individuals and companies banned for supporting the invasion of Ukraine.

Aluminum producers are facing a hard landing after the bonanza pricing seen in the first half of 2022.