REUTERS: U.S. Senator Rubio warns Venezuela's Maduro not to act against opposition →

U.S. Senator Marco Rubio, visiting the Colombia-Venezuela border on Sunday, warned Venezuelan President Nicolas Maduro of severe consequences if he takes action against the country’s opposition leader and self-declared president or U.S. citizens.

© Reuters. U.S. Senator Marco Rubio visits the Colombia-Venezuela border at the Simon Bolivar International Bridge on the outskirts of Cucuta