Hundreds of security forces fired tear gas and water cannons at rioting demonstrators outside the National Congress building in Buenos Aires on Wednesday as protesters called on senators to reject President Javier Milei’s sweeping reform plan. Demonstrators who were protesting against the proposed reforms, which are being debated by lawmakers in the lower house, were dealt with aggressively by riot police and Border Guard officers. As the protest turned ugly, two cars were set alight by what appeared to be protesters. Police later said that at least 18 people, 16 men and two women, had been arrested amid the disturbances....