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Follow along with Steve at the Big Board as he breaks down live results from the Texas Senate race and other key primaries

Texas runoffs live updates: Trump-backed Ken Paxton and incumbent John Cornyn battle for GOP nomination in key Senate race

Texas Sen. John Cornyn is facing Texas Attorney General Ken Paxton in today's GOP Senate runoff after neither candidate secured enough votes in the March primary to win the nomination. President Donald Trump endorsed Paxton last week. The winner will face Democratic state Rep. James Talarico in the November election.

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Ken Paxton defeats GOP Sen. John Cornyn in Texas primary runoff

Breaking News

Texas AG Ken Paxton will defeat Sen. John Cornyn in the state's Republican runoff for Senate, CNN projects

Breaking news

Trump-backed Ken Paxton will win the Texas GOP Senate primary runoff over Sen. John Cornyn, the AP projects in a test of the president's influence

Breaking News

Paxton had been the favorite to win since taking the endorsement of President Donald Trump and is the latest Trump-backed Republican to prevail in a hotly contested primary, following Ed Gallerin's ousting of Kentucky Rep. Thomas Massie in a primary last week.

BREAKING NEWS

Trump delivers Texas-sized revenge as ANOTHER Republican senator is toppled

Paxton bests Cornyn in Texas Republican Senate primary after Trump endorsement

Ken Paxton swamps John Cornyn in Texas GOP Senate runoff after securing Trump endorsement

🚨Paxton wins runoff

Trump-backed Ken Paxton scores runoff win over incumbent Sen. John Cornyn, potentially putting the Texas Senate seat in play for November

⚡Trump gets his guy

Hardline Texas A.G. Ken Paxton has defeated longtime GOP Sen. John Cornyn, a major upheaval that could tilt control of the Senate.

Breaking News

Texas Attorney General Ken Paxton, endorsed by Trump, won the Republican nomination for U.S. Senate, defeating four-term Sen. John Cornyn.

Breaking News

Ken Paxton defeated Texas Sen. John Cornyn in the GOP primary, another victory for Trump as he continues to purge the party of his critics

BREAKING NEWS

Trump-backed Paxton defeats Sen. Cornyn in Texas primary runoff

Texas Senate Runoff

Ken Paxton ousted Senator John Cornyn, a result likely to energize both MAGA loyalists and Democrats hoping to flip the seat.

Breaking News

AG Ken Paxton defeats incumbent Sen. John Cornyn after a runoff in Texas' Senate GOP primary, CBS News projects.

NBC News projection

Ken Paxton defeats Sen. John Cornyn for the Texas Republican Senate nomination, the latest Trump-backed primary challenger to unseat an incumbent