Africalink On Air - 13 August 2012To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videomugabi, isaac08/13/2012August 13, 2012+++Nigerian troops claim to have killed 20 suspected members of Boko Haram+++Search underway for two missing Ugandan military helicopters+++African nations ponder their future as potential Olympics hosts+++https://p.dw.com/p/15p5TAdvertisement