Hillary Clinton and Bernie Sanders
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US Election 2016: Clinton and Sanders in feisty debate

Presidential hopefuls Hillary Clinton and Bernie Sanders have clashed in a heated televised debate ahead of Tuesday's primary in New York.

The Democratic race has turned increasingly negative in recent days as the candidates traded barbs about their qualifications for the presidency.

Elsewhere in the city, a number of protesters were arrested outside a Donald Trump event.

Nick Bryant reports.

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