Aid agencies have warned that the crisis has driven up prices for diesel, petrol and kerosene by as much as 70pc in Papua New Guinea since the start of the Iran war.

While global food prices have risen modestly so far, the full impact of the conflict has yet to be felt, analysts say.

Pacific nations are the most reliant on diesel for power generation worldwide. They imported about 2.2 million tonnes of fuel in 2025.

Aid agencies have warned that the crisis has driven up prices for diesel, petrol and kerosene by as much as 70pc in Papua New Guinea since the start of the Iran war.