Rio Tinto shipped more iron ore in the second quarter of 2022 but warned that uncertainties remain about China’s industrial activity due to the potential for ongoing covid-19 outbreaks.

The world’s largest iron ore producer shipped 79.9m tons between April and June, up 12% on the first quarter and 5% higher than the corresponding period in 2021.

Shipments for the first half of the year were down 2% year-on-year to 151.4m