Brazilian police training in a simulation of a violent protest
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French anti-riot police train Brazilian counterparts

25 November 2013 Last updated at 20:38 GMT

Brazil is trying to improve its security operations as it prepares for two upcoming high-profile sporting events - next year's Fifa World Cup and the 2016 Olympics.

After a series of recent street protests turned violent, Brazilian police officials are now looking to French expertise to help their forces deal with public disturbances.

Bruno Garcez reports.