Shakira's appearance followed shows by Lady Gaga and Madonna, who have also performed on Copacabana beach in previous years.

More than 100 gangs are operating nationwide as the growing use of political thugs raises fears of election violence.

The girl's death sparked an outbreak of violence in the central Australian town from where she disappeared.

BBC's Nadine Yousif and Eloise Alanna spent five days travelling with the country's military rangers through frostbite and sub-zero temperatures.