Facebook have uploaded a video explaining how privacy works with Graph Search and how users can manage information shared on the social networking site.
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At least one person has died after part of the building collapsed shortly after midnight, according to local reports.
Brazilian police said no such incident took place and have charged the Olympian with making a false statement.
A boy aged around six or seven was seen being bundled into the side of a black VW van in Redhill, Surrey during rush hour.