President Donald Trump is expected to introduce new 25% tariffs on Monday on all steel and aluminium imports into the U.S., on top of existing metals duties, in another major escalation of his shake-up of trade policy.

When Donald Trump's fortunes took a downturn in the 90s and he needed to raise cash fast, he sailed his 282ft (85m) superyacht, the Trump Princess, to Asia hoping he could attract Japan's wealthy. It wasn't the first time the businessman had sought out Japanese buyers or lenders for his projects.

Trump’s meeting with Japan’s prime minister ended with a tariff warning, but praise from the Japanese side eased tensions.