Republican Rep. Tony Gonzales of Texas and gun activist Brandon Herrera are locked in a tight primary battle, as Gonzales faces calls to resign after being accused of having an affair with an aide who later died by suicide.

Texas Republican Representative Tony Gonzales faces a primary runoff to stand for reelection in the November midterms after weeks of instability around his position, following allegations of misconduct with a former staffer.

Rep. Tony Gonzales (R-Texas) and Brandon Herrera are heading to a runoff election for the Republican nomination for Texas' 23rd District. Why it matters: Gonzales has been embattled by allegations that he had an affair with his former staffer before she died by suicide.

Rep. Tony Gonzales' election is headed for a runoff against social media influencer Brandon Herrera after he failed to clinch 50% of the vote in his district.