10:06World UpdateKim Death: Malaysia and N Korea in Tit-for-Tat Exit BansBBC World Service Duration: 50 minutes Tue 7th Mar 2017, 10:06 on BBC World Service West and Central AfricaThe North Korean leader's half-brother was killed with a potent nerve agent. Show more GenresNewsFormatsMagazines & ReviewsBrandWorld Update Source: BBC Online