People watch bauxite trains, operated by Russian aluminium giant Rusal, which collided in Wanindara neighbourhood of Conakry, Guinea, September 20, 2021. REUTERS/Saliou Sam

Bauxite trains operated by Russian aluminium giant Rusal collide in Wanindara neighbourhood of Conakry, Guinea, September 20, 2021. REUTERS/Saliou Sam

Bauxite trains operated by Russian aluminium giant Rusal collide in Wanindara neighbourhood of Conakry, Guinea, September 20, 2021. REUTERS/Saliou Sam

Bauxite trains operated by Russian aluminium giant Rusal collide in Wanindara neighbourhood of Conakry, Guinea, September 20, 2021. REUTERS/Saliou Sam

Bauxite trains operated by Russian aluminium giant Rusal collide in Wanindara neighbourhood of Conakry, Guinea, September 20, 2021. REUTERS/Saliou Sam

Special forces commander Mamady Doumbouya, who ousted President Alpha Conde, walks out after meeting the envoys from the Economic Community of West African States (ECOWAS) to discuss ways to steer Guinea back toward a constitutional regime, in Conakry, Guinea September 10, 2021. REUTERS/Saliou Samb

Special forces commander Mamady Doumbouya, who ousted President Alpha Conde, walks out after meeting envoys from the Economic Community of West African States (ECOWAS) for the Guinea crisis to discuss ways to steer the country back toward constitutional regime, in Conakry, Guinea September 10, 2021 REUTERS/Saliou Samb

Envoys from the Economic Community of West African States (ECOWAS) for the Guinea crisis are escorted out after their meeting with special forces commander Mamady Doumbouya, who ousted President Alpha Conde in Conakry, Guinea September 10, 2021. REUTERS/Saliou Samb

A screenshot shows a teleconference during the extraordinary Summit of the Economic Community of West African States (ECOWAS) Authority of Heads of State and Government on the Socio-Political Situation, in Guinea September 8, 2021. ECOWAS/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY.

Prisoners who were detained after campaiging against ousted President Alpha Conde's third term react after they were released in Conakry, Guinea, September 7, 2021. REUTERS/ Saliou Samb

Prisoners who were detained after campaiging against ousted President Alpha Conde's third term react after they were released in Conakry, Guinea, September 7, 2021. REUTERS/ Saliou Samb

Prisoners who were detained after campaiging against ousted President Alpha Conde's third term react after they were released in Conakry, Guinea, September 7, 2021. REUTERS/ Saliou Samb

Special forces members take position during an uprising that led to the toppling of president Alpha Conde in Kaloum neighbourhood of Conakry, Guinea September 5, 2021. REUTERS/Saliou Samb

Special forces members are seen during an uprising that led to the toppling of president Alpha Conde in Kaloum neighbourhood of Conakry, Guinea September 5, 2021. REUTERS/ Saliou Samb

Special forces members take position during an uprising that led to the toppling of president Alpha Conde in Kaloum neighbourhood of Conakry, Guinea September 5, 2021. REUTERS/Saliou Samb

Special forces members take position during an uprising that led to the toppling of president Alpha Conde in Kaloum neighbourhood of Conakry, Guinea September 5, 2021. REUTERS/Saliou Samb

Special forces members take position during an uprising that led to the toppling of president Alpha Conde in Kaloum neighbourhood of Conakry, Guinea September 5, 2021. REUTERS/ Saliou Samb

Au 9 mars, la Chine a livré plus de 3,15 millions de doses de vaccin COVID-19 à 12 pays africains, selon les données de Bridge Consulting. La Russie a fourni plus de 100.000 doses au total du vaccin Sputnik V à l'Algérie, à la Guinée et au Sénégal.

A referendum campaign poster supporting the reform of the constitution where it reads "Yes" is pictured in Conakry, Guinea, February 27, 2020.Picture taken February 27, 2020. REUTERS/Stringer

Ballot boxes for the upcoming Legislative's elections and referendum to reform the constitution are seen at the airport in Conakry, Guinea, February 18, 2020.Picture taken February 18, 2020. REUTERS/Stringer

A referendum campaign poster supporting the reform of the constitution where it reads "Yes" is pictured in Conakry, Guinea, February 27, 2020.Picture taken February 27, 2020. REUTERS/Stringer

Ballot boxes for the upcoming Legislative's elections and referendum to reform the constitution are seen at the airport in Conakry, Guinea, February 18, 2020.Picture taken February 18, 2020. REUTERS/Stringer

A referendum campaign poster supporting the reform of the constitution where it reads "Yes" is pictured in Conakry, Guinea, February 27, 2020.Picture taken February 27, 2020. REUTERS/Stringer

A man walks past Union of Forces for Change election campaign poster depicting its president Aboubacar Sylla in Conakry, Guinea, February 26, 2020.Picture taken February 26, 2020. REUTERS/Stringer

A man walks Legislative's election campaign poster of Guinea for democracy and harmony party (GDE) in Conakry, Guinea, February 26, 2020.Picture taken February 26, 2020. REUTERS/Stringer

People drive past legislative elections campaign poster depicting Oumar Sidibe, candidat of the ruling party, Rally of the Guinean People Assembly (RPG), in Conakry, Guinea, February 26, 2020.Picture taken February 26, 2020. REUTERS/Stringer

Carte présentant l'épicentre du séisme qui a frappé la Papouasie-Nouvelle Guinée dimanche et l'intensité de la secousse ressentie à travers le pays.

Carte de la Papousaie-Nouvelle-Guinée localisant la mine de cuivre de Panguna, sur lîle de Bougainville, fermée depuis 1989 mais dont la réouverture est à l'étude

An excavator operates at the site of a mudslide at a rubbish landfill in the Dar Es Salam neighbourhood, on the outskirts of the capital Conakry, Guinea August 22, 2017. REUTERS/Saliou Samb TPX IMAGES OF THE DAY

Rescuers carry a child who survived after a mudslide at a rubbish landfill in the Dar Es Salam neighbourhood, on the outskirts of the capital Conakry, Guinea, August 22, 2017. REUTERS/Saliou Samb TPX IMAGES OF THE DAY

People gather at the site of a mudslide at a rubbish landfill in the Dar Es Salam neighbourhood, on the outskirts of the capital Conakry, Guinea, August 22, 2017. REUTERS/Saliou Samb

An excavator operates at the site of a mudslide at a rubbish landfill in the Dar Es Salam neighbourhood, on the outskirts of the capital Conakry, Guinea August 22, 2017. REUTERS/Saliou Samb

People gather at the site of a mudslide at a rubbish landfill in the Dar Es Salam neighbourhood, on the outskirts of the capital Conakry, Guinea, August 22, 2017. REUTERS/Saliou Samb

Rescuers carry a child who survived after a mudslide at a rubbish landfill in the Dar Es Salam neighbourhood, on the outskirts of the capital Conakry, Guinea, August 22, 2017. REUTERS/Saliou Samb

Rescuers carry a child who survived after a mudslide at a rubbish landfill in the Dar Es Salam neighbourhood, on the outskirts of the capital Conakry, Guinea, August 22, 2017. REUTERS/Saliou Samb

Map showing the route of the proposed Simandou mine project.

A soldier and a security guard survey a looted electricity company building after riots in Boke, Guinea April 29, 2017. Picture taken April 29, 2017. REUTERS/Tim Cocks

Guinea mines minister Abdoulaye Magassouba poses for a portrait at his office in Conakry, Guinea April 26, 2017. REUTERS/Tim Cocks

Carte présentant le nombre de cas et de décès liés au virus Ebola selon l’OMS.

Mist shrouds the Simandou mountains in Beyla, Guinea, June 4, 2014. REUTERS/Saliou Samb/File Photo

A mailbox donated by mining corporation Rio Tinto stands in front of huts outside Beyla, Guinea, June 5, 2014. REUTERS/Saliou Samb/File Photo

People are pictured at the entrance of the building of the branch of French telecoms company Orange in Conakry, Guinea, October 15, 2015. REUTERS/Luc Gnago

Employees receive customers at a branch of French telecoms company Orange in Conakry, Guinea, October 15, 2015. REUTERS/Luc Gnago

An employee stands as she waits for customers at a branch of French telecoms company Orange in Conakry, Guinea, October 15, 2015. REUTERS/Luc Gnago

A general view of the bulding of the branch of French telecoms company Orange in Conakry October 15, 2015. REUTERS/Luc Gnago

Customers are pictured at a branch of French telecoms company Orange in Conakry, Guinea, October 15, 2015. REUTERS/Luc Gnago

Customers are pictured in a branch of French telecoms company Orange in Conakry, Guinea, October 15, 2015. REUTERS/Luc Gnago

Guinea's National Elections Commission Chairman Bakary Fofana smiles as he prepares to give the provisional results of the country's presidential election in Conakry, Guinea, October 15, 2015. Guinean President Alpha Conde is likely to win another term in office after the first round of voting in the country's presidential election, results from the National Electoral Commission showed on Thursday. REUTERS/Luc Gnago

Guinean security forces stand in front of the National Elections Commission building before provisional results of the country's presidential election are released, in Conakry, Guinea, October 15, 2015. Guinean President Alpha Conde is likely to win another term in office after the first round of voting in the country's presidential election, results from the National Electoral Commission showed on Thursday. REUTERS/Luc Gnago TPX IMAGES OF THE DAY

Guinea's National Elections Commission Chairman Bakary Fofana looks on as he prepares to give the provisional results of the country's presidential election in Conakry, Guinea, October 15, 2015. Guinean President Alpha Conde is likely to win another term in office after the first round of voting in the country's presidential election, results from the National Electoral Commission showed on Thursday. REUTERS/Luc Gnago

Election officials examine votes at a results centralization center at Ratoma two days after a presidential election in Conakry, Guinea October 14, 2015. REUTERS/Luc Gnago

Election officials examine votes at a results centralization center at Ratoma two days after a presidential election in Conakry, Guinea October 14, 2015. REUTERS/Luc Gnago

Alassane Diallo, 17, a supporter of presidential candidate Cellou Dalein Diallo, sits on a bed at a clinic after being wounded on his neck by a bullet during clashes between security forces and opposition supporters, in Conakry October 14, 2015. Guinea's main opposition leader Diallo withdrew on Wednesday from a presidential election, citing fraud, and he will not recognize the results, his campaign director said. REUTERS/Luc Gnago

Thierno Ousman, 17, a supporter of presidential candidate Cellou Dalein Diallo, lies on a bed at a clinic after being wounded by a bullet during clashes between security forces and opposition supporters, in Conakry October 14, 2015. Guinea's main opposition leader Diallo withdrew on Wednesday from a presidential election, citing fraud, and he will not recognize the results, his campaign director said. REUTERS/Luc Gnago

Bachir Barry, 23, a supporter of presidential candidate Cellou Dalein Diallo, is attended to by a medical officer at a clinic after being wounded by a stray bullet during clashes between security forces and opposition supporters, in Conakry October 14, 2015. Guinea's main opposition leader Diallo withdrew on Wednesday from a presidential election, citing fraud, and he will not recognize the results, his campaign director said. REUTERS/Luc Gnago

A medical officer points to a bullet wound on the body of Bachir Barry, 23, a supporter of presidential candidate Cellou Dalein Diallo, who was wounded by a stray bullet during clashes between security forces and opposition supporters, at a clinic in Conakry October 14, 2015. Guinea's main opposition leader Diallo withdrew on Wednesday from a presidential election, citing fraud, and he will not recognize the results, his campaign director said. REUTERS/Luc Gnago

A relative sits next to Aissata Diallo, a supporter of presidential candidate Cellou Dalein Diallo, as she lies on a bed at a clinic after being wounded by a stone during clashes between security forces and opposition supporters, in Conakry October 14, 2015. Guinea's main opposition leader Diallo withdrew on Wednesday from a presidential election, citing fraud, and he will not recognize the results, his campaign director said. REUTERS/Luc Gnago

Fode Camara, a member of Guinea's security forces who was injured, sits at a clinic of Bambeto after clashes with protesters, after opposition candidates called on Monday for the results of the election to be scrapped due to fraud, in Conakry October 13, 2015. Guinea's presidential election was valid despite some logistical difficulties, European Union observers said on Tuesday in an apparent boost for a vote expected to return President Alpha Conde for another five years. REUTERS/Luc Gnago

Smoke billows on a street in Bambeto during a protest after opposition candidates called on Monday for the results of the election to be scrapped due to fraud, in Conakry October 13, 2015. Guinea's presidential election was valid despite some logistical difficulties, European Union observers said on Tuesday in an apparent boost for a vote expected to return President Alpha Conde for another five years. REUTERS/Luc Gnago

Opposition supporters are seen next to a roadblock on a street in Bambeto as they take part in a protest after opposition candidates called on Monday for the results of the election to be scrapped due to fraud, in Conakry October 13, 2015. Guinea's presidential election was valid despite some logistical difficulties, European Union observers said on Tuesday in an apparent boost for a vote expected to return President Alpha Conde for another five years. REUTERS/Luc Gnago