Micheal Omoyele 14, a chess player is seen in his room in Majidun, a slum suburb of Ikorodu, Lagos State, Nigeria May 2, 2021. Picture taken May 2, 2021. REUTERS/Seun Sanni

A view of the Makoko community is pictured in Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

A chess tutor teaches children chess at a community palace in Makoko, Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

Children play chess at a community palace in Makoko, Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

A boy moves a chess piece during play at a community palace in Makoko, Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

Children play chess at a community palace in Makoko, Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja TPX IMAGES OF THE DAY

Babatunde Onakoya, 26, teaches children to play chess at a community palace in Makoko, Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

Children play chess at a community palace in Makoko, Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

Children shake hands as they begin a chess game in a community palace in Makoko, Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

A chess tutor teaches children chess at a community palace in Makoko, Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

Babatunde Onakoya, 26, teaches children to play chess at a community palace in Makoko Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

Babatunde Onakoya, 26, teaches children to play chess at a community palace in Makoko, Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

Children play chess at a community palace in Makoko, Lagos, Nigeria May 5, 2021. Picture taken May 5, 2021. REUTERS/Temilade Adelaja

An aerial view of Makoko community is pictured in Lagos, Nigeria May 2, 2021. Picture taken May 2, 2021. REUTERS/Seun Sanni

Kaduna State governor Nasir El-Rufai is pictured on a billboard in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Parents of students from the Federal College of Forestry Mechanization who have been abducted speak after a meeting in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Parents of students from the Federal College of Forestry Mechanization who have been abducted speak after a meeting in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Parents of students from the Federal College of Forestry Mechanization who have been abducted speak after a meeting in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Parents of students from the Federal College of Forestry Mechanization who have been abducted speak after a meeting in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Catherine Saleh, mother of Stephen Shuani, 29, one of the Federal College of Forestry Mechanization students who has been abducted, speaks during an exclusive interview with Reuters in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Catherine Saleh, mother of Stephen Shuani, 29, one of the Federal College of Forestry Mechanization students who has been abducted, speaks during an exclusive interview with Reuters in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Linda Peter, mother of Jennifer, 18, one of the Federal College of Forestry Mechanization students who has been abducted, speaks during an exclusive interview with Reuters in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Linda Peter, mother of Jennifer, 18, one of the Federal College of Forestry Mechanization students who has been abducted, speaks during an exclusive interview with Reuters in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Linda Peter, mother of Jennifer, 18, one of the Federal College of Forestry Mechanization students who has been abducted, speaks during an exclusive interview with Reuters in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Linda Peter, mother of Jennifer, 18, one of the Federal College of Forestry Mechanization students who has been abducted, wipes her face as she speaks during an exclusive interview with Reuters in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Linda Peter, mother of Jennifer, 18, one of the Federal College of Forestry Mechanization students who has been abducted, speaks during an exclusive interview with Reuters in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Parents of Federal College of Forestry Mechanization students who have been abducted attend a meeting in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Linda Peter, mother of Jennifer, 18, one of the Federal College of Forestry Mechanization students who has been abducted, closes her eyes as she speaks during an exclusive interview with Reuters in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Parents of Federal College of Forestry Mechanization students who have been abducted attend a meeting in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Linda Peter, mother of Jennifer, 18, one of the Federal College of Forestry Mechanization students who has been abducted, speaks during an exclusive interview with Reuters in Kaduna, Nigeria April 28, 2021. Picture taken April 28, 2021. REUTERS/Afolabi Sotunde

Nigeria's President Muhammadu Buhari is seen as he participates in a virtual bilateral meeting with U.S. Secretary of State Antony Blinken at the State Department in Washington, U.S. April 27, 2021. REUTERS/Leah Millis/Pool

U.S. Secretary of State Antony Blinken participates in a virtual bilateral meeting with Nigeria's President Muhammadu Buhari during a videoconference at the State Department in Washington, U.S., April 27, 2021. REUTERS/Leah Millis/Pool

U.S. Secretary of State Antony Blinken participates in a virtual bilateral meeting with Nigeria's President Muhammadu Buhari during a videoconference at the State Department in Washington, U.S., April 27, 2021. REUTERS/Leah Millis/Pool

U.S. Secretary of State Antony Blinken and staff members participate in a virtual bilateral meeting with Nigeria's President Muhammadu Buhari during a videoconference at the State Department in Washington, U.S., April 27, 2021. REUTERS/Leah Millis/Pool

U.S. Secretary of State Antony Blinken and staff members participate in a virtual bilateral meeting with Nigeria's President Muhammadu Buhari during a videoconference at the State Department in Washington, U.S., April 27, 2021. REUTERS/Leah Millis/Pool

U.S. Secretary of State Antony Blinken participates in a virtual bilateral meeting with Nigeria's President Muhammadu Buhari during a videoconference at the State Department in Washington, U.S., April 27, 2021. REUTERS/Leah Millis/Pool

U.S. Secretary of State Antony Blinken participates in a virtual bilateral meeting with Nigeria's President Muhammadu Buhari during a videoconference at the State Department in Washington, U.S., April 27, 2021. REUTERS/Leah Millis/Pool

U.S. Secretary of State Antony Blinken participates in a virtual bilateral meeting with Nigeria's President Muhammadu Buhari during a videoconference at the State Department in Washington, U.S., April 27, 2021. REUTERS/Leah Millis/Pool

Muslims gather to break their fast at Al-Habbiyah Mosque in the Guzape District of Abuja, Nigeria April 22, 2021. REUTERS/Afolabi Sotunde

A man rises from prayer after Muslims break their fast at Al-Habbiyah Mosque in the Guzape District of Abuja, Nigeria April 22, 2021. REUTERS/Afolabi Sotunde

Catholic Cardinal John Onaiyekan distributes food to Muslims as they break their fast at the Al-Habbiyah Mosque in the Guzape District of Abuja, Nigeria, April 22, 2021. REUTERS/Afolabi Sotunde

A nun from the Cardinal Onaiyekan Foundation for Peace stands with Muslim women after Muslims break their fast at Al-Habbiyah Mosque in the Guzape District of Abuja, Nigeria April 22, 2021. REUTERS/Afolabi Sotunde

Catholic Cardinal John Onaiyekan distributes food to Muslims as they break their fast at the Al-Habbiyah Mosque in the Guzape District of Abuja, Nigeria, April 22, 2021. REUTERS/Afolabi Sotunde

Catholic Cardinal John Onaiyekan prays as Muslims prepare to break their fast at Al-Habbiyah Mosque in the Guzape District of Abuja, Nigeria, April 22, 2021. REUTERS/Afolabi Sotunde

Esohe Ozigbo, a 15-year-old climate change activist, is seen during one of her campaign picking up refuse disposed carelessly in Lagos, Nigeria April 16, 2021. Picture taken April 16, 2021. REUTERS/Angela Ukomadu

Esohe Ozigbo, a 15-year-old climate change activist, is seen during one of her campaign picking up refuse disposed carelessly in Lagos, Nigeria April 16, 2021. Picture taken April 16, 2021. REUTERS/Angela Ukomadu

Esohe Ozigbo, a 15-year-old climate change activist, is seen during one of her campaign picking up refuse disposed carelessly in Lagos, Nigeria April 16, 2021. Picture taken April 16, 2021. REUTERS/Angela Ukomadu

Young Nigeria climate change activists are seen during a "trashion show" wearing some plastics recovered from waste, used to make garments during their annual show in Lagos, Nigeria April 10, 2021. Picture taken April 10, 2021. REUTERS/Seun Sanni

A man wades through flood water with his wheel barrow, after rainfall with some objects seen floating in the flood water in Lagos, Nigeria April 17, 2021. Picture taken April 17, 2021. REUTERS/Seun Sanni

Young Nigeria climate change activist is seen during a "Trashion Show" wearing some plastics recovered from waste, used to make garments during their annual show in Lagos, Nigeria April 10, 2021. Picture taken April 10, 2021. REUTERS/Seun Sanni

Make up is applied on a young Nigeria climate change activist during a "trashion show" wearing some plastics recovered from waste, used to make garments during their annual show in Lagos, Nigeria April 10, 2021. Picture taken April 10, 2021. REUTERS/Seun Sanni

Abdulrasaq Babalola, a photographer speak with Reuters videojournalist during an interview on Earth day 2021 in Lagos, Nigeria April 16, 2021. Picture taken April 16, 2021. REUTERS/Seun Sanni

Young Nigeria climate change activists are seen during a "Trashion Show" wearing some plastics recovered from waste, used to make garments during their annual show in Lagos, Nigeria April 10, 2021. Picture taken April 10, 2021. REUTERS/Seun Sanni

Young Nigeria climate change activists are seen during a "Trashion Show" wearing some plastics recovered from waste, used to make garments during their annual show in Lagos, Nigeria April 10, 2021. Picture taken April 10, 2021. REUTERS/Seun Sanni

Young Nigeria climate change activists are seen during a "trashion show" wearing some plastics recovered from waste, used to make garments during their annual show in Lagos, Nigeria April 10, 2021. Picture taken April 10, 2021. REUTERS/Seun Sanni

Kehinde Osakede, who says she was raped by a family friend, is pictured at the Women at Risk International Foundation (WARIF) centre in Yaba Lagos, Nigeria April 19, 2021. Reuters was not able to confirm her account independently. Osakede did not share the name of her alleged assailant and said she did not want to pursue a legal case. Picture taken April 19, 2021. REUTERS/Temilade Adelaja TPX IMAGES OF THE DAY

Rebecca Samuel, mother of Sarah, one of the school girls that was abducted by Boko Haram, cries during the 7th anniversary of the schoolgirls abduction in Abuja, Nigeria April 14, 2021. REUTERS/Afolabi Sotunde

His Eminence John Onaiyekan, former Catholic archbishop of Abuja and keynote speaker of the 7th anniversary of Bring Back Our Girls abduction speaks in Abuja, Nigeria April 14, 2021. REUTERS/Afolabi Sotunde

His Eminence John Onaiyekan, former Catholic archbishop of Abuja and keynote speaker of the 7th anniversary of Bring Back Our Girls abduction speaks in Abuja, Nigeria April 14, 2021. REUTERS/Afolabi Sotunde

Rebecca Samuel, mother of Sarah one of the abducted Chibok girls cries during the 7th anniversary in Abuja, Nigeria April 14, 2021. REUTERS/Afolabi Sotunde