A migrant from Guinea-Bissau walks in a shanty town known as Nazareno, during the coronavirus disease (COVID-19) outbreak in Nijar, in the southern Spanish region of Almeria, Spain, April 28, 2020. Picture taken April 28, 2020. REUTERS/Juan Medina

Election workers start the counting of ballots during the second round of Guinea Bissau's presidential election in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

Election workers start the counting of ballots during the second round of Guinea Bissau's presidential election in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

Election workers start the counting of ballots during the second round of Guinea Bissau's presidential election in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

Election workers start the counting of the ballots during the second round of Guinea Bissau's presidential elections in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

Election workers start the counting of ballots during the second round of Guinea Bissau's presidential election in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

Guinea Bissau's former Prime Minister Domingos Simoes Pereira walks with his wife after voting in the second round of Guinea Bissau's presidential election at a polling station in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

Guinea Bissau's former Prime Minister Domingos Simoes Pereira walks with his wife after voting in the second round of Guinea Bissau's presidential election at a polling station in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

Guinea Bissau's former Prime Minister Domingos Simoes Pereira walks with his wife after voting in the second round of Guinea Bissau's presidential election at a polling station in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

Guinea Bissau's former Prime Minister Domingos Simoes Pereira looks on while he prepares to greet a supporter after voting in the second round of presidential election in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

A polling agent helps a voter to put ink on his finger during the second round of Guinea Bissau's presidential election in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

People stand in line as they wait outside a polling station before the polls open during the second round of Guinea Bissau's presidential election in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre

A man casts his ballot at a polling station during the second round of Guinea Bissau's presidential election in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre REFILE - REMOVING NAME OF AREA

A man prepares to cast his ballot at a polling station during the second round of Guinea Bissau's presidential election in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre REFILE - REMOVING NAME OF AREA

A woman casts her ballot at a polling station during the second round of Guinea Bissau's presidential election in Bissau, Guinea-Bissau December 29, 2019. REUTERS/Christophe Van Der Perre REFILE - REMOVING NAME OF AREA

Supporters of former Prime Minister and presidential candidate Domingos Simoes Pereira, wait for his arrival after the results of the November 24 first-round poll, in Bissau, Guinea-Bissau November 27, 2019. REUTERS/Christophe Van Der Perre

Former Prime Minister and presidential candidate Domingos Simoes Pereira gestures after the results of the November 24 first-round poll, in Bissau, Guinea-Bissau November 27, 2019. REUTERS/Christophe Van Der Perre

Former Prime Minister and presidential candidate Domingos Simoes Pereira speaks after the results of the November 24 first-round poll, in Bissau, Guinea-Bissau November 27, 2019. REUTERS/Christophe Van Der Perre

Former Prime Minister and presidential candidate Umaro Cissoko Embalo chats with his supporters and members of his campaign team, after the results of the November 24 first-round poll, at a hotel lobby in Bissau, Guinea-Bissau, November 27, 2019. REUTERS/Christophe Van Der Perre

Former Prime Minister and presidential candidate Umaro Cissoko Embalo chats with his supporters and members of his campaign team, after the results of the November 24 first-round poll, at a hotel lobby in Bissau, Guinea-Bissau, November 27, 2019. REUTERS/Christophe Van Der Perre

The former prime minister and presidential candidate Domingos Simoes Pereira, gestures after results of the November 24 first-round poll, at his headquarters in Bissau, Guinea-Bissau November 27, 2019. REUTERS/Christophe Van Der Perre

A man casts his ballot at a polling station during the presidential election in Bissau, Guinea-Bissau November 24, 2019. REUTERS/Christophe Van Der Perre

A man casts his ballot at a polling station during the presidential election in Bissau, Guinea-Bissau November 24, 2019. REUTERS/Christophe Van Der Perre

A woman casts her ballot at a polling station during the presidential election in Bissau, Guinea-Bissau November 24, 2019. REUTERS/Christophe Van Der Perre

A man casts his ballot at a polling station during the presidential election in Bissau, Guinea-Bissau November 24, 2019. REUTERS/Christophe Van Der Perre

Athletics - World Athletics Awards 2019 - Monte Carlo, Monaco - November 23, 2019 Guinea-Bissau's Braima Suncar Dabo who helped fellow runner Aruba's Jonathan Busby finish the 5000m heats at the World Athletics Championships in Doha wins the Fair Play Award REUTERS/Eric Gaillard

Athletics - World Athletics Awards 2019 - Monte Carlo, Monaco - November 23, 2019 Guinea-Bissau's Braima Suncar Dabo who helped fellow runner Aruba's Jonathan Busby finish the 5000m heats at the World Athletics Championships in Doha wins the Fair Play Award REUTERS/Eric Gaillard

A supporter of presidential candidate Domingos Simoes Pereira rides a bicycle decorated with PAIGC flag, ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

A man introduces speakers during the campaign rally for presidential candidate Domingos Simoes Pereira, ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

Supporters of presidential candidate Umaro Sissoko Embalo carry his picture and gesture along a road, ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

Supporters of presidential candidate Umaro Sissoko Embalo carry his picture and gesture along a road, ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

Supporters of presidential candidate Umaro Sissoko Embalo gather outside his campaign headquarters, ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

People walk outside the campaign headquarters for presidential candidate Umaro Sissoko Embalo, ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

Supporters of presidential candidate Umaro Sissoko Embalo gather outside his campaign headquarters, ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

Supporters of presidential candidate Umaro Sissoko Embalo stand outside his campaign headquarters, ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

A supporter of presidential candidate Umaro Sissoko Embalo carries his picture before a campaign rally ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

A supporter wears a mask of presidential candidate Domingos Simoes Pereira during his campaign rally ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

A supporter carries a mask of presidential candidate Domingos Simoes Pereira during his campaign rally ahead of Sunday's presidential election in Bissau, Guinea-Bissau November 22, 2019. Picture taken November 22, 2019. REUTERS/Christophe Van Der Perre

A poster of presidential candidate Carlos Gomez Junior is seen on the car during his election campaign in Bissau, Guinea-Bissau November 21, 2019. REUTERS/ Christophe Van Der Perre

A policeman casts his vote ahead of the presidential election at the National Election Commission headquarter in Bissau, Guinea-Bissau November 21, 2019. REUTERS/Christophe Van Der Perre

Presidential candidate Domingos Simoes Pereira holds a meeting with students at Lusophone university in Bissau, Guinea-Bissau November 21, 2019. REUTERS/ Christophe Van Der Perre

People walk in front of presidential campaign posters in Bissau, Guinea-Bissau November 21, 2019. REUTERS/Christophe Van Der Perr

A poster of presidential candidate Domingos Simoes Pereira covers side of building under construction in Bissau, Guinea-Bissau November 21, 2019. REUTERS/ Christophe Van Der Perre

Presidential candidate Domingos Simoes Pereira holds a meeting with students at Lusophone university in Bissau, Guinea-Bissau November 21, 2019. REUTERS/Christophe Van Der Perre

Supporters of presidential candidate Domingos Simoes Pereira campaign for their candidate in Bissau, Guinea-Bissau November 21, 2019. REUTERS/Christophe Van Der Perre

A poster of presidential candidate Domingos Simoes Pereira covers side of building under construction in Bissau, Guinea-Bissau November 21, 2019. REUTERS/Christophe Van Der Perre

A policeman casts his vote ahead of the presidential election at the National Election Commission headquarter in Bissau, Guinea-Bissau November 21, 2019. REUTERS/Christophe Van Der Perre

A policeman casts his vote ahead of the presidential election at the National Election Commission headquarter in Bissau, Guinea-Bissau November 21, 2019. REUTERS/Christophe Van Der Perre

A police member casts his vote ahead of the presidential election at the National Election Commission headquarter in Bissau, Guinea-Bissau November 21, 2019. REUTERS/Christophe Van Der Perre

Guinea-Bissau's Foreign Minister Suzi Caria Barbosa addresses the 74th session of the United Nations General Assembly at U.N. headquarters in New York City, New York, U.S., September 28, 2019. REUTERS/Brendan McDermid

Athletics - World Athletics Championships - Doha 2019 - Men's 5000 Metres Heats - Khalifa International Stadium, Doha, Qatar - September 27, 2019 Guinea-Bissau's Braima Suncar Dabo helps Aruba's Jonathan Busby to finish the race REUTERS/Hannah Mckay TPX IMAGES OF THE DAY

Athletics - World Athletics Championships - Doha 2019 - Men's 5000 Metres Heats - Khalifa International Stadium, Doha, Qatar - September 27, 2019 Braima Suncar Dabo of Guinea-Bissau helps Aruba's Jonathan Busby. REUTERS/Kai Pfaffenbach

Athletics - World Athletics Championships - Doha 2019 - Men's 5000 Metres Heats - Khalifa International Stadium, Doha, Qatar - September 27, 2019 Guinea-Bissau's Braima Suncar Dabo helps Aruba's Jonathan Busby to finish the race REUTERS/Dylan Martinez

Athletics - World Athletics Championships - Doha 2019 - Men's 5000 Metres Heats - Khalifa International Stadium, Doha, Qatar - September 27, 2019 Guinea-Bissau's Braima Suncar Dabo helps Aruba's Jonathan Busby to finish the race REUTERS/Dylan Martinez

Athletics - World Athletics Championships - Doha 2019 - Men's 5000 Metres Heats - Khalifa International Stadium, Doha, Qatar - September 27, 2019 Guinea-Bissau's Braima Suncar Dabo helps Aruba's Jonathan Busby to finish the race REUTERS/Dylan Martinez

Athletics - World Athletics Championships - Doha 2019 - Men's 5000 Metres Heats - Khalifa International Stadium, Doha, Qatar - September 27, 2019 Guinea-Bissau's Braima Suncar Dabo helps Aruba's Jonathan Busby to finish the race REUTERS/Dylan Martinez

Athletics - World Athletics Championships - Doha 2019 - Men's 5000 Metres Heats - Khalifa International Stadium, Doha, Qatar - September 27, 2019 Guinea-Bissau's Braima Suncar Dabo helps Aruba's Jonathan Busby to finish the race REUTERS/Dylan Martinez

Athletics - World Athletics Championships - Doha 2019 - Men's 5000 Metres Heats - Khalifa International Stadium, Doha, Qatar - September 27, 2019 Guinea-Bissau's Braima Suncar Dabo helps Aruba's Jonathan Busby to finish the race REUTERS/Dylan Martinez

Athletics - World Athletics Championships - Doha 2019 - Men's 5000 Metres Heats - Khalifa International Stadium, Doha, Qatar - September 27, 2019 Guinea-Bissau's Braima Suncar Dabo helps Aruba's Jonathan Busby to finish the race REUTERS/Dylan Martinez

Athletics - World Athletics Championships - Doha 2019 - Men's 5000 Metres Heats - Khalifa International Stadium, Doha, Qatar - September 27, 2019 Guinea-Bissau's Braima Suncar Dabo helps Aruba's Jonathan Busby to finish the race REUTERS/Dylan Martinez