The move is the latest caused by the effective closure of the Strait of Hormuz because of the war in Iran. The war has sent prices of oil and other products higher, as well as caused supply crunches.

Calbee to switch its brightly coloured packaging to black and white because war has disrupted supply of certain raw materials used in ink

The effective closure of the Strait of Hormuz has severely disrupted global supplies of energy and petrochemicals.