U.S. President Donald Trump has postponed a phone call with Panamanian President Jose Raul Mulino due to last-minute changes in the U.S. leader's agenda, Panama's government said on Friday, amid tensions over U.

Panama President José Raúl Mulino has rejected the U.S. State Department’s claim that his country had reached a deal allowing U.S. warships to transit the Panama Canal for free

Secretary of State Marco Rubio on Thursday said it was "absurd" that U.S. government ships are charged to use the Panama Canal after Panama denied a claim that it had agreed to allow them free traversal.

Panama denied a claim made by the State Department on Wednesday that the Central American nation had agreed to no longer charge fees for US government ships to transit the country’s famous canal.

President José Raúl Mulino on Thursday denied a claim by the Trump administration that this Central American country had agreed to eliminate tolls for U.S. government ships using the Panama Canal, in an apparent setback to U.