South Sudan's sacked Vice-President Riek Machar no longer has a role to play as a political leader in the country, the presidency says.

A Saudi Arabian prince is executed for shooting dead a compatriot during a brawl three years ago in the capital Riyadh, the interior ministry says.

A Chinese-born Mexican businessman accused of drug trafficking arrives in Mexico after losing a nine-year battle against extradition from the US.

Indonesia could "wipe out" paedophilia with its new policy of chemical castration, President Joko Widodo tells the BBC.

A US air force base says it has accidentally released 150,000 gallons of contaminated water into the sewer system of Colorado Springs.

Some 900 civilians have fled Mosul, the first large group to do so since Iraqi troops began their offensive to free the city from IS, the UN says.

The son of renowned Nigerian environmental activist Ken Saro-Wiwa, who was executed more than 20 years ago, has died after a brief illness.

Colombia's ex-president Alvaro Uribe, who led the successful campaign to reject a peace deal with Farc rebels, says he may now be open to talks with them.