David Appleton, head of professional and technical at Nautilus, which represents more than 20,000 maritime workers, said the utmost priority should be the safeguarding of the lives of seafarers.
The territorial waters affected extend halfway into the 12-mile-wide Bab al-Mandab Strait, through which around 15% of the world's shipping traffic passes.
The world’s major ocean container lines can’t get enough of big new ships — never mind the threat of severe overcapacity and a resulting downward pressure on freight rates.