AfricaLink on Air - 19 March 2015: 0505 UTCMark Caldwell03/19/2015March 19, 2015South Sudan's President Salva Kiir rules out a proposed power sharing deal with the rebels+++Sierra Leonean President Ernest Koroma sacks his deputy+++Zimbabwe's parliament expels 21 lawmakers from the opposition MDChttps://p.dw.com/p/1EswLAdvertisement