BUENOS AIRES, Dec. 10 (Xinhua) -- Javier Milei, a liberal politician and economist, assumed the Argentine presidency Sunday in a ceremony held at the National Congress in Buenos Aires, the country's capital.

The outgoing head of state, Alberto Fernandez, placed the presidential sash and handed the baton of command to Milei, whose term will last for four years, until Dec. 10, 2027.

Victoria Villarruel was sworn in as vice president.