Polls will be open until 7pm.
Several key seats are up for grabs in the primary, including races for U.S. senator, governor and lieutenant governor.
Photo identification is required to cast a ballot.
Early results will come in a littlea fter 7pm. Stay with Eyewitness News, abc13.com and our mobile news app. We'll have updated results throughout the evening.
Voters in Harris County can get complete voter information, including poll location and specific ballot from HarrisVotes.org. Additional information can be found at VoteTexas.gov.
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