Denise Bucumi Nkurunziza, widow to late former Burundian President Pierre Nkurunziza, is escorted, during a state funeral procession in Gitega, Burundi June 26, 2020. REUTERS/Clovis Guy Siboniyo

Military officers escort a gun carriage carrying the casket of late former Burundian President Pierre Nkurunziza, draped in the national flag, during a state funeral procession, amid the growing threat of the coronavirus in Gitega, Burundi June 26, 2020. REUTERS/Clovis Guy Siboniyo

Military officers escort a gun carriage carrying the casket of late former Burundian President Pierre Nkurunziza, draped in the national flag, during a state funeral procession amid the growing threat of the coronavirus in Gitega, Burundi June 26, 2020. REUTERS/Clovis Guy Siboniyo

Military officers escort the casket of late former Burundian President Pierre Nkurunziza, draped in the national flag, during a state funeral procession amid the growing threat of the coronavirus in Gitega, Burundi June 26, 2020. REUTERS/Clovis Guy Siboniyo

Military officers escort the casket of late former Burundian President Pierre Nkurunziza, draped in the national flag, during a state funeral procession amid the growing threat of the coronavirus in Gitega, Burundi June 26, 2020. REUTERS/Clovis Guy Siboniyo

Supporters of Burundi's President elect Evariste Ndayishimiye cheer as they attend his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Former Tanzania's President Jakaya Kikwete talks to the President of the National Assembly Pascal Nyabenda as they attend the inauguration ceremony of Burundi's President elect Evariste Ndayishimiye following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Former Egyptian General Sedki Sobhy attends the inauguration ceremony of Burundi's President elect Evariste Ndayishimiye following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Senior military officers salute as they attend the inauguration ceremony of Burundi's President elect Evariste Ndayishimiye following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Former Tanzania's President Jakaya Kikwete and Tanzania's Vice President Samia Suluhu Hassan attend the inauguration ceremony of Burundi's President elect Evariste Ndayishimiye following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye and his wife his wife Angeline Ndayubaha arrive for his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye and his wife his wife Angeline Ndayubaha arrive for his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye and his wife his wife Angeline Ndayubaha attend his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

A Red Cross worker stands among supporters of Burundi's President elect Evariste Ndayishimiye as they attend his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye attends his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Supporters of Burundi's President elect Evariste Ndayishimiye attend his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana TPX IMAGES OF THE DAY

Supporters of Burundi's President elect Evariste Ndayishimiye cheer as they attend his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye attends his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye attends his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye attends his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye takes oath of office during his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye takes oath of office during his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye attends his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye takes oath of office during his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye receives prayers from religious leaders during his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Burundi's President elect Evariste Ndayishimiye receives prayers from religious leaders during his inauguration ceremony following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Supporters gather for the inauguration ceremony of Burundi's President elect Evariste Ndayishimiye following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

Supporters gather for the inauguration ceremony of Burundi's President elect Evariste Ndayishimiye following the sudden death of his predecessor Pierre Nkurunziza, amid the growing threat of the coronavirus disease (COVID-19), at the Ingoma stadium in Gitega, Burundi June 18, 2020. REUTERS/Evrard Ngendakumana

The national flag flies half-mast outside the State House building following the death of Burundi's President Pierre Nkurunziza in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

Burundian religious leaders pay homage following the death of Burundi's President Pierre Nkurunziza, at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

Burundian Minister of Finance Domitien Ndihokubwayo signs the condolences book following the death of Burundi's President Pierre Nkurunziza, at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

President of the National Assembly Pascal Nyabenda signs the condolences book following the death of Burundi's President Pierre Nkurunziza, at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

President of the National Assembly Pascal Nyabenda signs the condolences book following the death of Burundi's President Pierre Nkurunziza, at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

Marie Ndabigeze, wife to the President of the National Assembly Pascal Nyabenda reacts following the death of Burundi's President Pierre Nkurunziza, at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

Diplomats stand in line to sign the condolences book following the death of Burundi's President Pierre Nkurunziza, at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

The Burundian national flag flies at half mast outside the State House building following the death of Burundi's President Pierre Nkurunziza, in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

A portrait photo, a bottle of hand sanitiser and a condolences book are seen displayed at the State House following the death of Burundi's President Pierre Nkurunziza, in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

Ambassador of the Federal Republic of Russia to Burundi Valery Mikhaylov signs the condolences book as other diplomats stand in line following the death of Burundi's President Pierre Nkurunziza, at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

Ambassador of the Federal Republic of Russia to Burundi Valery Mikhaylov signs the condolences book following the death of Burundi's President Pierre Nkurunziza, at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

Former Burundi's Prime Minister Anatole Kanyenkiko signs in the condolences book following the death of Burundi's President Pierre Nkurunziza, at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

Ambassador of the Federal Republic of Russia to Burundi Valery Mikhaylov signs the condolences book following the death of Burundi's President Pierre Nkurunziza, at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

Kenya's Ambassador to Burundi Ken Vitisia signs in the condolences book following the death of Burundi's President Pierre Nkurunziza at the State House in Bujumbura, Burundi June 10, 2020. REUTERS/Evrard Ngendakumana

Residents watch the announcement on the death of President Pierre Nkurunziza in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

A resident watches a television broadcasting the death of President Pierre Nkurunziza in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

A resident watches a television broadcasting the death of President Pierre Nkurunziza in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

A resident watches a television broadcasting the death of President Pierre Nkurunziza in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

A resident watches a television broadcasting the death of President Pierre Nkurunziza in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

Residents watch the announcement on the death of President Pierre Nkurunziza in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

Street vendors are seen discussing at the main bus terminus during rush hour in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

Civilians gather to listen to news updates from a radio receiver in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

Commuters queue for public transport at the main bus terminus during rush hour in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

A street vendor picks up her oranges within moving traffic during rush hour in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

An unidentified man lowers the national flag to half-mast at the Independence Square in Bujumbura, Burundi June 9, 2020. REUTERS/Evrard Ngendakumana

Burundi President Pierre Nkurunziza claps after signing the new constitution at the Presidential Palace in Gitega Province, Burundi June 7, 2018. Picture taken June 7, 2018. REUTERS/Evrard Ngendakumana

Members of the Independent National Electoral Commission (CENI) talk to voters at a polling station during the presidential, legislative and communal council elections, under the simmering political violence and the growing threat of the coronavirus disease (COVID-19), in Ngozi, Burundi May 20, 2020. REUTERS/Clovis Guy Siboniyo

A voter casts her ballot at a polling station during the presidential, legislative and communal council elections, under the simmering political violence and the growing threat of the coronavirus disease (COVID-19), in Ngozi, Burundi May 20, 2020. REUTERS/Clovis Guy Siboniyo

Main opposition party presidential candidate Agathon Rwasa and his wife Annociate Haberisoni queue at a polling station during the presidential, legislative and communal council elections, under the simmering political violence and the growing threat of the coronavirus disease (COVID-19), in Ngozi, Burundi May 20, 2020. REUTERS/Clovis Guy Siboniyo

Main opposition party presidential candidate Agathon Rwasa and his wife Annociate Haberisoni queue at a polling station during the presidential, legislative and communal council elections, under the simmering political violence and the growing threat of the coronavirus disease (COVID-19), in Ngozi, Burundi May 20, 2020. REUTERS/Clovis Guy Siboniyo

Main opposition party presidential candidate Agathon Rwasa casts his ballot at a polling station during the presidential, legislative and communal council elections, under the simmering political violence and the growing threat of the coronavirus disease (COVID-19), in Ngozi, Burundi May 20, 2020. REUTERS/Clovis Guy Siboniyo

Burundian police officers escort the opposition leader and presidential candidate Agathon Rwasa as he leaves a polling station during the presidential, legislative and communal council elections, under the simmering political violence and the growing threat of the coronavirus disease (COVID-19), in Ngozi, Burundi May 20, 2020. REUTERS/Clovis Guy Siboniyo