US import costs of steel and aluminium, used in everything from baseball bats to cars and aircraft parts, are expected to rise by more than $100bn after Donald Trump raised tariffs on the metals to 50 per cent this week.

US-China trade talks in London after a positive call with Xi Jinping, aiming to resolve ongoing disputes over tariffs and rare earth materials.

China and the U.S. have agreed to more tariff talks amid a trade standoff and concerns over rare earths, President Donald Trump said Thursday after a call with China's leader. Trump and Chinese leader Xi Jinping spoke on Thursday at a time when stalled tariff negotiations between their two countries have roiled global trade.