Two foreign nationals have been charged for their role in a scheme to smuggle U.S. military equipment and technology — including missiles — into China, according to the U.S. Justice Department.

President Donald Trump and Chinese President Xi Jinping are expected to speak very soon, a senior White House official told CNBC.

President Donald Trump and Chinese leader Xi Jinping will likely speak this week, White House Press Secretary Karoline Leavitt said on Monday, days after Trump accused China of violating an agreement to roll back tariffs and trade restrictions.

China on Monday accused the United States of breaching the 90-day trade truce agreed by the world’s two largest economies, after President Donald Trump said it was Beijing that had “totally violated” the agreement.

President Donald Trump and Chinese President Xi Jinping will speak soon to iron out trade issues including a dispute over critical minerals.

The US Trade Representative's office on Saturday announced it would continue to exclude some solar manufacturing equipment and other products from existing tariffs on Chinese goods until August 31.

US tensions with two key trade partners amped up on Monday after President Trump doubled tariffs on steel and aluminum and the US pushed countries for deals ahead of looming deadlines. China responded to Trump's claim on Friday that it has "totally violated its agreement" with the US,

The president is set to raise tariffs on steel and aluminum this week, even as the courts are challenging the legitimacy of other levies.