The world’s fourth-biggest iron-ore producer reported a rise in second-quarter iron-ore shipments and said first-half exports of the steel ingredient were the highest in its history.

Rio Tinto Group, the world’s biggest iron ore exporter, warned shipments of the steelmaking material will be impacted this quarter after a tropical cyclone in Australia’s northwest damaged a port facility.

Australia's Port Hedland, the world's largest iron ore export hub, has resumed operations after cyclone Sean moved away from the port, the Pilbara Ports Authority said on Monday.