President Donald Trump cranked up the pressure on two of America’s key trading partners, Japan and South Korea, firing off letters Monday to the heads of their countries, informing them of their new tariff rate.

President Donald Trump on Monday informed Japan and South Korea that 25% tariffs will be imposed starting Aug. 1 on goods sent to the United States.

President Donald Trump on Monday placed a 25% tax on goods imported from Japan and South Korea, citing persistent trade imbalances with the two crucial U.S. allies in Asia.