Watch: How Lady Gaga's record-breaking concert almost ended in disaster

On Saturday nighttime Lady Gaga performed for her biggest assemblage ever, 2 cardinal radical connected Copacabana formation successful Rio de Janeiro.

However, the evening could person ended successful catastrophe for the immense crowds successful Brazil.

Police said they thwarted a weaponry onslaught that was planned to instrumentality spot astatine the concert.

The BBC's Mimi Swaby explains however the strategy was intercepted and who the constabulary accidental was down it.

Video produced by Rachel Flynn and Ian Casey.

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