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:
More top news
Multiple explosions in a park in a Japanese city have left at least one person dead and three injured.
Time Warner owns the Warner Bros movie studio, responsible for franchises such as Harry Potter and Batman.