The continuing closure of the waterway is deeply damaging and getting global shipping moving is crucial to ease cost of living pressures. Iran is believed to have laid at least a dozen mines to prevent oil tankers and other vessels from passing through the strait.
The Foreign Secretary said: "The Arctic is the gateway for Russia's Northern Fleet to be able to threaten the United Kingdom, to threaten Western Europe and Norway, to threaten the United States and Canada. "So it's a whole transatlantic security depends on our Arctic security," she added. Cooper explained that Nato needs to "double down" and "do what we've done in other areas", to make sure that "we really strengthen the security of the high north".
