Riot police have apparently fired tear gas at striking metro workers in Sao Paulo, three days before the World Cup kicks off in the city.
Correspondent Lulu Garcia-Navarro, for the public radio network NPR, tweeted this picture:
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Chancellor George Osborne will seek to reassure financial markets on Monday morning following Britain's decision to leave the EU.
In his first outing since the referendum result, the lead Leave campaigner has outlined his vision for a post-Brexit Britain.