A military officer holds a portrait of late Burundian President Pierre Nkurunziza during his funeral in Gitega, Burundi, June 26, 2020. Late Burundian President Pierre Nkurunziza, who died in office of heart attack on June 8, was laid to rest on Friday at a state funeral in political capital Gitega, central Burundi. (Photo by Evrard Ngendakumana/Xinhua)

Military officers carry the coffin of late Burundian President Pierre Nkurunziza during his funeral in Gitega, Burundi, June 26, 2020. Late Burundian President Pierre Nkurunziza, who died in office of heart attack on June 8, was laid to rest on Friday at a state funeral in political capital Gitega, central Burundi. (Photo by Evrard Ngendakumana/Xinhua)

Military officers escort the coffin of late Burundian President Pierre Nkurunziza at his funeral in Gitega, Burundi, June 26, 2020. Late Burundian President Pierre Nkurunziza, who died in office of heart attack on June 8, was laid to rest on Friday at a state funeral in political capital Gitega, central Burundi. (Photo by Evrard Ngendakumana/Xinhua)

Newly-inaugurated Burundian President Evariste Ndayishimiye delivers a speech at the funeral of late Burundian President Pierre Nkurunziza in Gitega, Burundi, June 26, 2020. Late Burundian President Pierre Nkurunziza, who died in office of heart attack on June 8, was laid to rest on Friday at a state funeral in political capital Gitega, central Burundi. (Photo by Evrard Ngendakumana/Xinhua)

Denise Nkurunziza (L), wife of late Burundian President Pierre Nkurunziza, prays for her husband during his funeral in Gitega, Burundi, June 26, 2020. Late Burundian President Pierre Nkurunziza, who died in office of heart attack on June 8, was laid to rest on Friday at a state funeral in political capital Gitega, central Burundi. (Photo by Evrard Ngendakumana/Xinhua)