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.

The U.S. secretary of state is expected to focus on mass migration and the Panama Canal as he heads to Central America on his first overseas trip.

The top diplomat in President Donald Trump's administration, Marco Rubio, began his first foreign visit on Sunday, meeting Panamanian President Jose Raul Mulino to discuss U.S. concerns about Chinese companies potentially affecting American shipping access around the Panama Canal and regional migration issues.