After the removal of Mike Waltz as national security adviser, Marco Rubio now has four different roles in Donald Trump's administration: secretary of state, acting national security adviser, acting U.

Ukraine wants to hold another meeting of national security advisors with the participation of the United States, Britain, France, and Germany, but there is no exact date for the meeting so far, President Volodymyr Zelenskyy told journalists.

Secretary of State Marco Rubio has a new job title: interim national security adviser. President Donald Trump announced the development on social media Thursday after firing his previous national security adviser,