SEN: Houston resident Edward Kimbrough filed in the Democratic primary to challenge U.S. Sen. Ted Cruz (R).

CD4: Emory resident Catherine Krantz filed as a Democrat to challenge U.S. Rep. John Ratcliffe (R-Rockwall).

CD5 open: A David Williams filed in the Republican primary for the seat being vacated by U.S. Rep. Jeb Hensarling (R-Dallas). We were unable to identify him conclusively. At least seven candidates have filed for the Republican nomination.

CD6 open: Arlington retired aerospace consultant Ken Cope and Kennedale lending manager Adrian Mizher filed in the Republican primary for the seat being vacated by U.S. Rep. Joe Barton (R-Ennis).

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