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.

Panama’s president reiterated on Sunday that Panama’s sovereignty over the Panama Canal is not up for debate, saying that during talks with US Secretary of State Marco Rubio that he had addressed the United States’ concerns over China’s presence around the vital waterway.

US Secretary of State Marco Rubio has demanded that Panama make "immediate changes" to what he calls the "influence and control" of China over the Panama Canal. America's top diplomat said Panama must act or the US would take necessary measures to protect its rights under a treaty between the two countries.