Pope Leo XIV arrives in procession to celebrate Mass at the Japoma Stadium, in Douala, Cameroon, Friday, April 17, 2026, on the fifth day of his 11-day pastoral visit to Africa. (AP Photo/Andrew Medichini)

Pope Leo XIV arrives at the esplanade in front of the Sanctuary of Mama Muxima, in Muxima, Angola, Sunday, April 19, 2026. (AP Photo/Andrew Medichini)

Pope Leo XIV is welcomed by Equatorial Guinea's President Teodoro Obiang Nguema Mbasogo, right, upon his arrival at Malabo International Airport in Malabo, Equatorial Guinea, Tuesday, April 21, 2026, on the ninth day of his 11-day pastoral visit to Africa. (AP Photo/Andrew Medichini)

FILE - President of Nigeria Bola Ahmed Tinubu speaks to the media ahead of his meeting with Britain's Prime Minister Keir Starmer inside 10 Downing Street in London, Thursday, March 19, 2026. (AP Photo/Kin Cheung, Pool File)

FILE - Members of the Nigerian army provide security during an event in Minna, Nigeria, Dec. 22, 2025. (AP Photo/Sunday Alamba, File)

Soldiers march carrying the Vatican flag, right, and Angolan flag prior to Pope Leo XIV's departure for Equatorial Guinea, at the airport in Luanda, Angola, Tuesday, April 21, 2026. (AP Photo/Themba Hadebe)

President Donald Trump speaks in the Oval Office of the White House, Saturday, April 18, 2026, in Washington. (AP Photo/Julia Demaree Nikhinson)

Women share a moment as they look at a smartphone at the main gate of the Tehran University as a banner shows portraits of the late Supreme Leader Ayatollah Ali Khamenei, right, and the late revolutionary founder Ayatollah Khomeini in Tehran, Iran, Sunday, April 19, 2026. (AP Photo/Vahid Salemi)