A Boston-born Salvadoran physician who helped the Central American nation recover from its 12-year civil war has died of a heart attack. Hector Silva was 64.

Public Works Minister Gerson Martinez said Silva collapsed at the presidential palace on Thursday while making an impassioned appeal for greater anti-corruption efforts.

Silva studied medicine in El Salvador and later at the University of Michigan and at Johns Hopkins University.

He returned to El Salvador shortly before a 1992 peace accord and served in the country's legislature. In 1997, he became the first leftist mayor of the capital following the civil war, earning a reputation for moderation during six years in office, easing tensions in the polarized nation.

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