Rep. Will Hurd William Ballard HurdHillicon Valley: Oracle confirms deal with TikTok to be 'trusted technology provider' | QAnon spreads across globe, shadowing COVID-19 | VA hit by data breach impacting 46,000 veterans House approves bill to secure internet-connected federal devices against cyber threats House Democrats' campaign arm reserves .6M in ads in competitive districts MORE (R-Texas), the only African American Republican in the House of Representatives, announced Thursday night that he will not seek reelection in 2020.

"I have made the decision to not seek reelection for the 23rd Congressional District of Texas in order to pursue opportunities outside the halls of Congress to solve problems at the nexus between technology and national security," Hurd said on Twitter.

I have made the decision to not seek reelection for the 23rd Congressional District of Texas in order to pursue opportunities outside the halls of Congress to solve problems at the nexus between technology and national security. https://t.co/GeZ4Hh264f — Rep. Will Hurd (@HurdOnTheHill) August 1, 2019

Hurd's abrupt decision to not seek reelection comes amid a period of flux inside the Republican Party. He becomes the sixth GOP lawmaker and third House Republican from Texas to announce his retirement in the past two weeks.

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Mike Conaway Kenneth (Mike) Michael ConawayBottom line House Republican introduces amendment to include farm aid in stopgap funding bill Live coverage: Democrats, Republicans seek to win PR battle in final House impeachment hearing MORE, another GOP lawmaker from Texas, announced Wednesday that he would not seek reelection. Pete Olson Peter (Pete) Graham OlsonShakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' The time for HELP is now: Senate should pass bill to expedite recovery following natural disasters House Democrats reserve airtime for voters of color in Texas MORE also announced his retirement last month.

Hurd said in a statement that he left a job in the CIA to run for Congress in 2014 to help give the lower chamber leadership in areas related to intelligence and national security.

"While Congress has a role in these issues, so does the private sector and civil society," he said. "After reflecting on how best to help our country address these challenges, I’m leaving the House of Representatives to help our country in a different way."

Hurd added that he would continue to remain in politics to "help make sure the Republican Party looks like America."

Hurd represents a congressional district that stretches along the U.S.-Mexico border between San Antonio and El Paso. The seat has flipped between Republicans and Democrats five times since the 1990s, The New York Times has noted.

The district voted for Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonFox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio Trump, Biden court Black business owners in final election sprint The power of incumbency: How Trump is using the Oval Office to win reelection MORE in 2016, the same year Hurd won reelection to his second term.

Hurd narrowly held on to his seat in 2018, fending off a challenge from Democrat Gina Ortiz Jones. Following Hurd's retirement announcement, the 23rd Congressional District moved from "toss-up" to "leans Democratic," according to Crystal Ball House ratings. The Cook Political Report rates Hurd's district as "Republican toss up."

Jones launched a 2020 campaign for Hurd's seat in May.

Hurd has shown a willingness to criticize President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE. He was one of the four House Republicans last month to vote to condemn Trump's attacks against a group of minority congresswomen as racist.

Trump had told four freshman House Democrats — Reps. Alexandria Ocasio-Cortez Alexandria Ocasio-CortezOn The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline McCarthy says there will be a peaceful transition if Biden wins Anxious Democrats amp up pressure for vote on COVID-19 aid MORE (N.Y), Ilhan Omar Ilhan OmarOmar fires back at Trump over rally remarks: 'This is my country' Trump attacks Omar for criticizing US: 'How did you do where you came from?' Democrats scramble on COVID-19 relief amid division, Trump surprise MORE (Minn.), Ayanna Pressley Ayanna PressleyFauci, Black Lives Matter founders included on Time's 100 Most Influential People list Trump attacks Omar for criticizing US: 'How did you do where you came from?' Pressley applauded on House floor after moving speech on living with alopecia MORE (Mass.), Rashida Tlaib Rashida Harbi TlaibTrump attacks Omar for criticizing US: 'How did you do where you came from?' George Conway: 'Trump is like a practical joke that got out of hand' Pelosi endorses Kennedy in Massachusetts Senate primary challenge MORE (Mich) — to "go back" to the "crime infested places" they came from.

But Hurd has said that he will vote for Trump again if he is the Republican nominee in 2020. He reiterated his position to The Washington Post in an interview on Thursday.

The Democratic Congressional Campaign Committee expressed optimism about winning Hurd's seat.

"Hurd has been a lockstep supporter of the worst of Washington Republicans’ policies and he sealed his fate when he pledged to vote for Donald Trump in 2020," DCCC spokesman Avery Jaffe said. "Democrats will win this seat and if Will Hurd doesn’t believe he can keep his job in a changing Texas, his colleagues must be having second thoughts too."

Texas Democratic Party Executive Director Manny Garcia suggested in a statement that Hurd's retirement stemmed from knowing "his time was up."

“The simple facts are that hypocrite Trump Republican Will Hurd did not stand a chance in the 23rd congressional district," Garcia said. "Texas Democrats are rising up everywhere, clearly Will Hurd knew his time was up."

Rep. Tom Emmer Thomas (Tom) Earl EmmerHouse Democrats' campaign arm reserves .6M in ads in competitive districts The Hill's Convention Report: Trump to attack Biden at final night of convention | Speech comes amid hurricane, racial justice protests | Biden accuses Trump of 'rooting' for violence Republicans cast Trump as best choice for women MORE (R-Minn.), chairman of the National Republican Congressional Committee, pushed back against claims that Hurd's district was shifting leftward.

"Contrary to what the pundits will tell you, this is an R+1 district and we will fight tooth and nail to ensure it remains in Republican hands in 2020," Emmer said in a statement.

Updated at 8:30 p.m.