Sen. Joe Manchin Joseph (Joe) ManchinManchin defends Supreme Court candidate Barrett: 'It's awful to bring in religion' The Hill's Morning Report - Sponsored by Facebook - Trump, GOP allies prepare for SCOTUS nomination this week Trump meets with potential Supreme Court pick Amy Coney Barrett at White House MORE (D-W.Va.) on Thursday released an ad that touts his support for President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE's plan to build a wall along the Mexico-U.S. border.

Manchin, who is running for reelection in a state that Trump won by 42 percentage points, said he voted in favor of funding Trump's proposed wall, which the president said during his 2016 campaign would be paid for by Mexico.

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“Hey, I wanted Mexico to pay for the wall," Manchin says in the ad. "But they’re not. So we need to do it ourselves.

“I voted to fund President Trump’s wall. Check the vote.”

Manchin voted in favor of legislation in February that provided some funding for Trump's wall as part of a series of Senate votes on immigration. The bill failed to pass the Senate.

Manchin is campaigning against West Virginia Attorney General Patrick Morrisey, the GOP nominee.

He's sought to play up his willingness to back Trump and said earlier this month that he was open to supporting Trump's 2020 presidential run.

“I’m open to supporting the person who I think is best for my country and my state,” Manchin told Politico. “If his policies are best, I’ll be right there.”

Those messages of support haven't stopped Trump and other Republicans from targeting him as they try to protect their narrow 51-49 Senate majority.

"Joe Manchin will say or do anything to salvage his political career, but it won't work because he is haunted by his liberal, pro-Hillary Clinton Hillary Diane Rodham ClintonDemocratic groups using Bloomberg money to launch M in Spanish language ads in Florida The Hill's Campaign Report: Presidential polls tighten weeks out from Election Day More than 50 Latino faith leaders endorse Biden MORE record," said Morrisey spokesman Nathan Brand. "Whether it was running away from his full-throated support for Hillary Clinton or his opposition to building a wall, Joe Manchin is reminding voters why he is the worst of the phony Washington elite."

Trump said in May he planned on spending significant time campaigning against Manchin.

Manchin says at the beginning of the ad that Morrisey, Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellFEC flags McConnell campaign over suspected accounting errors Poll: 59 percent think president elected in November should name next Supreme Court justice Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE (R-Ky.) and the establishment have begun attacking him, and that it is why "Washington sucks." He then caps the clip by saying, "I approve this ad, because Pat Morrisey is wrong."

A RealClearPolitics polling average shows Manchin leading Morrisey by 5.5 points, but calls the state a "toss-up."

Updated at 5:01 p.m.