BUENOS AIRES, Argentina, Shawwal 3, 1436, Jul 19, 2015, SPA -- Conservative candidate Horacio Rodriguez Larreta won Sunday's mayoral run-off election in Buenos Aires, taking a close victory over a fellow opponent of the national government ahead of presidential voting later this year. With more than 98 percent of the ballots counted, the candidate of the business-friendly PRO Party had 51.6 percent of the votes. His rival, ECO Party candidate and former economy minister Martin Lousteau, got 48.4 percent. --SPA 02:54 LOCAL TIME 23:54 GMT www.spa.gov.sa/w