A demonstrator punches the shield of a riot police officer during a protest against Argentine President Javier Milei's veto of the pension mobility law in front of the National Congress in Buenos Aires on September 4, 2024. Argentina's President Javier Milei vetoed an 8.1% increase in retirement and pensions approved by a large majority in the legislature, according to his decision published on September 2, 2024, in the Official Gazette. (Photo by Luis ROBAYO / AFP)