By Jeff Mason and Leika Kihara WASHINGTON/TOKYO (Reuters) -Powerhouse Asian economies Japan and South Korea said on Tuesday they would try to negotiate with the U.S. to soften the impact of sharply higher tariffs that President Donald Trump now plans to impose from the start of August.

President Donald Trump's latest executive order delaying official tariff increases on dozens of countries until Aug. 1 has relieved some pressure on world markets, but he also ordered a 25% tax on goods imported from Japan and South Korea,

The European Union expects to find out on Monday whether President Trump will impose more tariffs, in a move economists have warned would have repercussions on both sides of the Atlantic.

President Donald Trump has threatened steep tariffs on America’s trading partners, sending letters to more than a dozen world leaders, warning they have less than a month to strike a deal.

WASHINGTON—President Trump reignited his global trade war Monday, renewing his threat to hit partners with punishing tariffs even as he announced a three-week extension to negotiate deals. Trump signed an executive order extending the date when his so-called reciprocal tariffs would take effect,

South Africa's President Cyril Ramaphosa has opposed what he calls the "unilateral" higher trade tariffs imposed on his country by the US. US President Donald Trump announced on Monday that he would subject imports from South Africa to a new 30% tariff from 1 August.

The South African rand edged up in early trade on Tuesday, buoyed by hopes the country could still salvage a less damaging trade deal with the United States after President Donald Trump extended a tariff deadline to August 1.

President Donald Trump on Monday placed a 25% tax on goods imported from Japan and South Korea, as well as new tariff rates on Malaysia, Kazakhstan, South Africa, Laos and Myanmar. Trump provided notice of the tariffs to begin on Aug.