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Venezuela protests: Tense scenes on Caracas streets

8 March 2014 Last updated at 09:10 GMT

Clashes have broken out again on the streets of the Venezuelan capital, Caracas.

Anti-government protestors, who have been holding demonstrations for almost a month, blame the authorities for shortages of food and medicine.

So far at least 20 people have died.

Tim Neilson reports.

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