More than 30 million voters are heading for the ballot box in Argentina.
Centre-left candidate Daniel Scioli is going up against the centre-right’s Mauricio Macri.
They aim to replace Cristina Fernandez de Kirchner who cannot stand for a third term.
Scioli, Fernandez’s preferred successor, has pledged to continue with the same policies.
Loved by the poor for strengthening Argentina’s safety net, she is criticised by the rich who say she saddled the economy with currency and trade controls.
Macri has vowed to maintain a solid base level for the poor but says he also has plans to overhaul the economy.
Polls have put him several points ahead.
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