Burundi President Pierre Nkurunziza with his wife Denise in Bujumbura in 2017. Denise is being treated at Aga Khan University Hospital in Kenya's capital Nairobi after contracting Covid-19. FILE PHOTO
Outgoing Burundi President Pierre Nkurunziza succumbed to a heart attack in Bujumbura while his wife, Denise Bucumi Nkurunziza, is still receiving treatment at the Aga Khan University Hospital, in Kenya's capital Nairobi.