Opposition presidential candidate Sen. Flavio Bolsonaro, center, leaves after his final campaign rally a day ahead of the presidential runoff election in Rio de Janeiro, Saturday, Oct. 24, 2026. (AP Photo/Bruna Prado)

Supporters of opposition presidential candidate Sen. Flavio Bolsonaro cheer during his final campaign rally a day ahead of the presidential runoff election in Rio de Janeiro, Saturday, Oct. 24, 2026. (AP Photo/Lucas Landau)

A girl standing on a man's shoulders reaches out amid a crowd of supporters of Brazilian President Luiz Inacio Lula da Silva, who is running for reelection, during his final campaign rally, a day ahead of the presidential runoff election in Sao Paulo, Brazil, Saturday, Oct. 24, 2026. (AP Photo/Natacha Pisarenko)

People shine the lights of their mobile phones and light flares during the final "Student List – Students Win" rally ahead of a parliamentary election in Belgrade, Serbia, Thursday, Oct. 22, 2026. (AP Photo/Armin Durgut)

Aleksandar Vucic, leader of the right-wing Serbian Progressive Party (SNS), waits along with his wife Tamara to vote in a parliamentary election in Belgrade, Serbia, Sunday, Oct. 25, 2026. (AP Photo/Petr David Josek)

FILE - Fluids are controlled in an operating room in a hospital in Jackson, Tenn., on June 15, 2023. (AP Photo/Mark Humphrey, file)

FILE - In this Dec. 30, 2015, file photo, new IRS forms 1095B and 1095C, for employer provided health insurance or for use if a taxpayer got health insurance from the marketplace, are displayed in Los Angeles. (AP Photo/Jae C. Hong, File)

FILE - President Donald Trump speaks about TrumpRx in the South Court Auditorium in the Old Eisenhower Executive Office Building on the White House campus, Feb. 5, 2026, in Washington. (AP Photo/Alex Brandon, File)