Rio Tinto and Vale have both reported reduced iron ore production in the first quarter of 2022 due to delays in expansion and weather disruptions, respectively.

The Australian miner, the world’s top iron ore producer, mined 71.7m tonnes of the key steel-making ingredient, down 15% on the previous quarter and 8% lower from the year-before period.

“Production in the first quarter was challenging as expected, re-emphasising a need to lift our operational performance,” said Rio Tinto Chief Executive Jakob Stausholm.