Wyre Davies
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Tear gas fired ahead of Brazil's Libra oil auction

21 October 2013 Last updated at 18:21 BST

Brazilian security forces and protesters have clashed in Barra da Tijuca, near Rio de Janeiro as the government auctions off exploration rights for a huge oilfield.

Wyre Davies reports from near the hotel where the auction is taking place as Members of the National Security Force try to disperse protesters.