Uncertainty mounts in Argentina as far-right wins in primary vote

Argentina's Economy Minister and presidential pre-candidate Sergio Massa of Union por la Patria alliance speaks on stage at his campaign headquarters during a primary election night event, in Buenos Aires, Argentina August 14, 2023. REUTERS/Mariana Nedelcu

(Reuters) - Argentine radical far-right economist Javier Milei has unexpectedly won the country's primary vote, shaking up the race for the presidency and likely dealing a fresh blow to the peso.

With negative international reserves, inflation over 100% and tight capital controls, Latin America's third largest economy faces fresh uncertainty ahead of October's presidential election.