A few hours later, Musk responded: "Tough, but necessary. Good working with you. The important parts of USAID should always have been with Dept of State."
His comments came after the New York Times reported that he and Musk clashed during a Cabinet meeting on Thursday, with Musk accusing the top U.S. diplomat of not carrying out deep enough staff cuts at the State Department.
At the meeting, Trump told his Cabinet heads that they, not Musk, have the final say on staffing and policy at their agencies, Reuters reported. Trump denied the NYT report on Friday when asked about it by reporters.
Trump, Musk and Rubio had dinner on Saturday evening at Trump's Mar-a-Lago estate in Florida, White House Press Secretary Karoline Leavitt told reporters on Sunday.