The new secretary of state took center stage in a diplomatic rift with Colombia over deportation flights, adding teeth to Trump's threats of sanctions.

Former U.S. senator from Florida Marco Rubio jumps into new role as secretary of state with flurry of phone calls, planned trip to Panama.

Tensions between the U.S. and China have been rising for some time now, and Rubio's appointment has widely been seen as a sign that Trump plans to maintain a hard line on China during his second term. One of the most outspoken China hawks in Washington, Rubio has introduced several bills targeting the Chinese Communist Party.

Like the Trump presidency, Rubio placed mass migration and border security at the top of his priorities list. Marco Rubio, Donald Trump’s newly-confirmed secretary of state, has assumed office with gusto,

The Senate voted unanimously to confirm Sen. Marco Rubio's as secretary of state on Monday, making him the first member of President Donald Trump's second Cabinet.

Rubio lost to Trump in 2016 but he’s living his best life as Secretary of State, approved unanimously by his Senate colleagues.

The Senate confirmed Senator Marco Rubio, Republican of Florida, on Monday as America’s 72nd secretary of state, putting a former political rival of President Trump at the helm of American diplomacy.

He was also a candidate in the 2016 GOP presidential primary race, where Trump dubbed him "Little Marco" and Rubio warned voters not to support Trump, saying "friends do not let friends vote for con artists." More about Rubio: He would be the first Latino ...

WASHINGTON (NEXSTAR) – Protesters interrupted the Senate confirmation hearing for Sen. Marco Rubio (R-Fla.) who is President-elect Donald Trump’s pick to be secretary of state. Sen. Rubio was disrupted multiple times while giving his opening statement ...

Reich also criticises Trump's executive order to end birthright citizenship - where anyone born in the US becomes a citizen - saying it's a violation of the US constitution: "Decent people could lose their citizenship... children could lose their parents...some parents may not have the right papers."

On Donald Trump's decision to rename Gulf of Mexico to Gulf of America, Mexico’s president says that ‘for the entire world it is still the Gulf of Mexico’.“He says that he will call it the ‘Gulf of America’ on its continental shelf,

Donald Trump is set to be sworn in as the 47th President of the United States at noon. We'll be posting live updates.