 Pierre Nkuruziza: Who be di Burundi president wey rule for 15 years?  Burundi President Pierre Nkurunziza don die of cardiac arrest, according to wetin goment tok for Twitter. Afta e don stay power, oga Nkuruziza suppose comot office for August. Afta which im for take di title of supreme guide to patriotism. Burundi don announce seven days of mourning. 