Unoficial election results show that incumbent Henry Cuellar is leading in the Congressional District 28 Democratic primary election.

Voting numbers show Cuellar has 238,927 votes, or over 58%. Cuellar has held the seat for nearly 20 years.

Two other candidates, Ricardo Villarreal and Andrew Vantine, received 24,787 and 3,336 votes, respectively.

The winner of the primary will face a Republican candidate in November.

All election results are unofficial until they’ve been canvassed. For more election results, click here.

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