How did the Brazilian Lady Gaga concert ended in a disaster
On Saturday night, Lady Gaga performed the performance of her largest audience ever, on the Copakapana Beach in Rio de Janeiro.
However, the evening could have ended in a catastrophe for the huge crowds in Brazil.
Police said they thwarted a bomb attack that was planned at the ceremony.
Mimi Swaby explains from the BBC how the plan was intercepted and who the police say was behind it.
A video produced by Rachel Flynn and Ian Casey.
