By Jeff Mason, Bart H. Meijer and David Brunnstrom WASHINGTON/BRUSSELS (Reuters) -U.S. President Donald Trump opened a new phase on Monday in the trade war he launched this year, telling partners, from powerhouse suppliers such as Japan and South Korea to minor players,

WASHINGTON: US President Donald Trump said on Monday (Jul 7) he would impose a 25 per cent tariff on goods from Japan and South Korea starting on Aug 1, posting letters to the leaders of those countries on his social media platform.