U.S. President Donald Trump said on Tuesday South Korea should be paying for its own military protection and suggested the U.S. ally needed to pay more for the U.S. troop presence there, a day after saying he planned to impose a 25 percent tariff on its imports.

The country’s new president, in office for a little over a month, had just dispatched his senior deputies to Washington to try to work out a trade deal.

The US plans to impose a 25% tax on products entering the country from South Korea and Japan on 1 August, President Donald Trump has said.He announced the tariffs in a post on social media, sharing letters he said had been sent to leaders of the two countries.