U.S. Secretary of State Marco Rubio on Sunday warned Panama's President Jose Raul Mulino that Washington will "take measures necessary" if Panama does not immediately take steps to end what President Donald Trump sees as China's influence and control over the Panama Canal.

Secretary of State Marco Rubio embarks this weekend on his first foreign trip in office. He's heading to Central America to press President Donald Trump’s top priority — curbing illegal immigration — and bring the message that the U.

Secretary of State Marco Rubio will travel to Central America for his first trip as the top US diplomat. Rubio is expected to depart late next week for Panama, Guatemala, El Salvador, Costa Rica and the Dominican Republic, State Department spokesperson Tammy Bruce said.