A series of recent losses has eroded the president’s winning record, raising new questions about his hold over the party’s voters.

© Al Drago for The New York Times

Representative Byron Donalds had a wide lead in polls of the race for the Republican nomination for governor. Polling was sparse in every other statewide contest.

© Zack Wittman for The New York Times

The electoral commission for the southern African nation said poll workers had been attacked and ballots had been stolen.

© Gianluigi Guercia/Agence France-Presse — Getty Images

Nigel Farage, the leader of Reform U.K., won the Clacton by-election with 63 percent. Count Binface, a novelty candidate, came second with 27 percent, a personal best.

© Toby Shepheard/Reuters