How Lady Gaga's Brazil concert almost ended in disaster

A large-scale bomb attack was thwarted by police before Gaga's first concert in Brazil since 2012.

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However, the evening could have ended in disaster for the huge crowds in Brazil.

Police said they thwarted a bomb attack that was planned to take place at the concert.

The BBC's Mimi Swaby explains how the scheme was intercepted and who the police say was behind it.

Video produced by Rachel Flynn and Ian Casey.