Polls open in Indonesia's biggest-ever election

Indonesian election workers dressed in superhero costumes register voters at a polling station in Surabaya. JUNI KRISWANTO / AFP

Tens of millions of Indonesians head to the polls Wednesday to vote for a new president.

The single-day election will see incumbent President Joko Widodo pitted against longtime rival and former army general Prabowo Subianto.

The polling is scheduled to close at 06:00 GMT and a series of "quick counts" are expected to give preliminary results within hours.

The final result will be announced by the election commission in May.

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