Republicans in the state of Florida will vote later today on who should be their party's candidate to face Barack Obama.

In a state where one-in-ten Republican primary voters are of Hispanic origin, candidates have been dusting off their Spanish as they battle for every vote.

North America correspondent Jonny Dymond reports from Florida, where whoever wins the nomination will struggle to win support amongst Latinos, the fastest-growing part of the US population.

This is an extended version of the broadcast item.

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