Neither President Luiz Inácio Lula da Silva nor Flávio Bolsonaro, the son of a former president, won the first round, but Mr. Bolsonaro took more votes. More

President Luiz Inácio Lula da Silva and Flávio Bolsonaro, son of the former president Jair Bolsonaro, were forced into a runoff set for Oct. 25. More

Dr. Annie Andrews, a Democrat, is hoping to defeat Senator Darline Graham. Even some of her most ardent supporters sense that her bid is a long shot. More

President Trump is doggedly lending his support to Republican candidates facing a rough midterm season. He is the same campaigner he has always been, but his crowds have changed. More

An online spot for Mr. Hilton, the G.O.P. candidate, is full of sexual innuendo that has befuddled Republicans and Democrats watching the race for governor in California. More