AfricaLink on Air - 06 August 2015: 0505 UTCTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoAyeko, Jane08/06/2015August 6, 2015Nigeria's National Petroleum Company gets a new boss+++ South Sudan government curtails media freedom and closes two newspapers+++ Mali locked up in uncertainty as militants launch fresh attacks.https://p.dw.com/p/1GAo4Advertisement