The Pentagon is considering striking Houthi rebel military targets in Yemen in response to the Iranian-backed militia's escalating attacks on commercial shipping in the Red Sea.
The near-daily attacks are meant to pressure Israel in its war against Hamas, but their effect will be widely felt around the world.
Even in far-flung New Zealand.
Massey University supply chain expert Dr Carel Bezuidenhout spoke to Ingrid Hipkiss.
