Tracey Tully

Representative Thomas Kean Jr. last voted in Washington on March 5, citing a medical issue. An appearance planned for late May has been canceled.

Republican officials said they have talked to the congressman, who has been absent from Congress for weeks. His office said Mr. Kean will eventually explain his absence.

Rep. Thomas Kean Jr. has been out of the public eye for almost 12 weeks with an undisclosed medical condition.

The message from President Trump about Representative Thomas Kean Jr. comes as voters head to the polls on Tuesday. Mr. Kean’s name is on the ballot, but he hasn’t been seen for months.

Some Republicans outside polling sites acknowledged how strange it felt to cast a ballot for Representative Thomas Kean Jr., who has not been seen in public for months.

Representative Thomas Kean Jr., a Republican who has been absent from Congress and the campaign trail since March, suggested it could be weeks before he returned to work.

Ms. Bennett, a Democrat, will compete in November against Mr. Kean, the incumbent Republican, who has been sidelined for months by a mysterious health condition.

Dr. Hamawy, a U.S. Army veteran, faced questions about his past association with an Egyptian cleric who was convicted in 1995 of a conspiracy to wage “a war of urban terrorism.”

Democrats see an opportunity in deep-red Iowa, where Senator Joni Ernst is vacating her seat. A Republican congressman who has not been seen for months won his uncontested primary in New Jersey and will face a former Navy helicopter pilot.

The reality TV star Spencer Pratt could secure a spot in a runoff with Mayor Karen Bass of Los Angeles. Xavier Becerra, a Democrat, and Steve Hilton, a Republican, were leading in the governor’s race.