RAW: Police fire tear gas in Sao Paulo as protests continue ahead of Brazil World Cup

Police locked Sao Paolo metro stations and fired tear gas at protesters as a metro-driver strike paralysed the country, sparking hundreds of miles of traffic jams in major cites presently making final preparations for the World Cup. Over the past year hundreds of thousands took part in massive social unrest at corruption and high prices. RT LIVE http://rt.com/on-air Subscribe to RT! http://ww ...