Two Republicans advanced to a party runoff in North Carolina on Tuesday, in the contest to replace Walter B. Jones Jr., a longtime congressman who died in February. Read more

During the July 9 runoff, Republican voters will choose between two candidates, who are both doctors: Greg Murphy, a state representative, and Joan Perry, a pediatrician. The winner will face Allen Thomas, a former mayor who won the Democratic primary, on Sept. 10.

Mr. Jones, a Republican, had held the seat in the district on the Atlantic Coast from 1995 until his death.