State Sen. Mayes Middleton finished first in the March primary with 39.1% of the vote, while Roy received 31.6%, sending both to a runoff.

Texas Attorney General Ken Paxton has defeated four-term Sen. John Cornyn in a massively expensive, drawn-out U.S. Senate primary race.

Cornyn led the March primary with 42% of the vote, narrowly ahead of Paxton’s 40.5%, sending both to a runoff.

Controversial Texas Attorney General Ken Paxton challenged Sen. John Cornyn's reelection and won President Trump's endorsement in the bitter primary fight that cost Republicans…

President Trump had endorsed Texas Attorney General Ken Paxton in the primary runoff.

President Donald Trump endorsed Ken Paxton late in the race, calling him “a true MAGA Warrior."

State Sen. Mayes Middleton finished first in the March primary with 39.1% of the vote, while Roy received 31.6%, sending both to a runoff.

Roy fell to State Sen. Mayes Middleton, who branded himself "MAGA Mayes" and attacked Roy for not backing Trump's stolen election rhetoric.

Middleton, currently a State Senator, emerged victorious after a contentious fight.

Texas Attorney General Ken Paxton, a combative, scandal-dogged disruptor who had the backing of President Donald Trump and his MAGA movement, delivered a thrashing to four-term…

Trump-backed Paxton beat Cornyn, making him the first Texas Republican senator to lose renomination.