South Sudan's government has reached a power-sharing agreement with the country's main rebel group. President Salva Kiir and rebel leader Riek Machar signed the deal in neighbouring Sudan. The deal, which will see Mr Machar return to power as one of five vice-presidents, is aimed at ending a five-year civil war which has killed tens of thousands and displaced millions. Previous attempts to find a peaceful solution have failed. SOURCE: BBC NEWS ---DECRYPTED---