In a letter to Mexico’s president, Claudia Sheinbaum, Mr. Trump said that Mexico was not doing enough to curb the flow of fentanyl into the United States and cited that as the reason for the tariffs. Mr. Trump added that Mexican companies were welcome to manufacture their products in the United States to avoid the tariffs.

Secretary of State Marco Rubio met counterparts in Southeast Asia during his first visit to the region since taking office.

US Secretary of State Marco Rubio met his Chinese counterpart, Wang Yi, on the sidelines of an ASEAN meeting. The United States and China disagree on various issues, including trade, Taiwan and Russia's war in Ukraine.

The U.S. secretary of state met with his Russian counterpart on the sidelines of a gathering of Southeast Asian nations, where he also defended new U.S. tariff threats.

Secretary of State Marco Rubio began mass firings at the State Department on Monday, part of a reorganization plan to form a leaner foreign policy force that, he argues, will allow the United

The State Department is sending formal layoff notices to 1,107 civil service employees and 246 foreign service officers with domestic assignments, according to internal department communication reviewed by ABC News.

The State Department has formally advised staffers that it will be sending layoff notices to some of them soon.

There is a possiblity that the President of the United States, Donald Trump, will attend the 47th ASEAN Summit in Kuala Lumpur this October, according to US Secretary of State Marco Rubio. He said discussions on the matter were underway to finalise the date for the ASEAN-US Special Summit,