SAN ANTONIO — Governor Greg Abbott congratulated Senator John Cornyn Tuesday night after early returns showed him with a strong lead over his opponents for the Republican nomination for U.S. Senate.

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Meanwhile, M.J. Hegar is set for a runoff election against Royce West for the Democratic nomination, after Cristina Tzintzún Ramirez conceded to her rivals after a third-place finish Tuesday night. is projected by the Associated Press to reach the runoff for the Democratic nomination. The challenger is still not determined.

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 MJ Hegar served in the Air Force for 12 years. She tops a recent Texas Tribune poll of candidates at 22 percent, the only candidate to achieve double digits.

Click here for the full results of the Texas Tribune/UT Austin poll.

The other Democrats running for the seat include:

A few Republicans are also challenging Senator Cornyn for the nomination. They include: 

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