U.S. Reps. Chuck Fleischmann and Phil Roe have won their Republican primary contests.
Fleischmann defeated GOP challengers Allan Levene and Geoffrey Smith, while Roe beat Clint Tribble.
In early returns for more heavily contested congressional primaries, Rep. Diane Black was ahead of former state Rep. Joe Carr in the 6th District, while Rep. Scott DesJarlais was narrowly ahead of challenger Grant Starrett in the 4th District.