A demonstrator stands wrapped in an Argentine flag during a protest against food scarcity at soup kitchens and economic reforms proposed by President Javier Milei in Buenos A

Watch: Hundreds of Argentinians protest against Milei's social policies

Left-wing parties like Polo Obrero and the Union of Workers of the Popular Economy participated, waving banners and chanting slogans against the government.

Left-wing parties like Polo Obrero and the Union of Workers of the Popular Economy participated, waving banners and chanting slogans against the government.