"After the death of Hugo Chávez, the left-wing president of Venezuela, it was known that on 4 May 2010, during a Unasur summit, Piñera agreed with him a verbal and previously unreleased personal non-aggression pact.Piñera has declared he voted "No" in the 1988 plebiscite on whether Augusto Pinochet should stay on power until 1997.