Rubio's appointment as secretary of state has been seen as sign that Trump plans to maintain a hard line on China.

Marco Rubio has changed a lot since he ran for president in 2016. But his political evolution has made him uniquely qualified to be Trump's secretary of state.

US Secretary of State Marco Rubio on his first full day in office Tuesday warned jointly with Japan, India and Australia against coercive actions in Asia, in a veiled but clear warning to China over its actions at sea.

Marco Rubio told State Department employees that changes under President Trump “are not meant to be destructive, they’re not meant to be punitive.”

The full Senate has just approved Marco Rubio to be President Trump’s secretary of state, 99-0. Rubio, 53, has still not formally resigned his Senate seat, though that will surely follow soon.

“Congratulations to Marco Rubio on his confirmation as the new U.S. Secretary of State,” the Greek Ministry of Foreign Affairs stated in a post on Twitter. “Greece remains steadfast in its commitment to strengthening our strategic relations and the deep bonds that unite our nations,” the statement continued.

Secretary of State Marco Rubio pledged in his first remarks as top US diplomat to ensure that the agency he now leads isn’t left behind in shaping US foreign policy.

WASHINGTON >> U.S. Secretary of State Marco Rubio spoke with Israeli Prime Minister Benjamin Netanyahu today to reiterate Washington’s support for its ally, and the two also discussed Iran and Israeli hostages in Gaza,

He describes rising exports to China of Argentine soyabeans, frozen beef, semen from prize bulls and other farm goods worth billions of dollars. Latin American farming barons are often selling to state-owned agencies,

Rubio underscored that "maintaining the United States' steadfast support for Israel is a top priority for Trump," the State Department said in a statement

Alaska Senator Dan Sullivan as Presiding Officer announces the unanimous vote for Florida Senator Marco Rubio to serve as secretary of state in the second Trump cabinet as the first nominee hours after Trump was inaugurated a second time.