A super PAC backing Hillary ClintonHillary Diane Rodham ClintonHillary Clinton to Trump ahead of Putin summit: 'Do you know which team you play for?' 10 things we learned from Peter Strzok's congressional testimony Get ready for summit with no agenda and calculated risks MORE released an ad Tuesday blasting Rep. Rod Blum (R-Iowa) over his support for Donald TrumpDonald John TrumpSasse: Trump shouldn't dignify Putin with Helsinki summit Top LGBT group projects message onto Presidential Palace in Helsinki ahead of Trump-Putin summit Hillary Clinton to Trump ahead of Putin summit: 'Do you know which team you play for?' MORE, marking the first time that the group has interceded in a House race this cycle.

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The 30-second ad from Priorities USA shows Trump saying he “loves war in a certain way,” mocking a disabled reporter and making lewd comments about women in a 2005 recording.

“Send me back to Congress, and you send Donald Trump to the White House,” Blum says in the ad after the series of Trump clips.

“Donald Trump said he 'loves war,' mocked the disabled and even bragged about committing sexual assault, but despite all that Congressman Rod Blum is still supporting him, even going so far as to attack Republicans who speak out against Trump,” Priorities executive director Anne Caprara said in a statement.

Blum's campaign hit back at the ad.

"Hillary Clinton knows our opponent will be a rubber stamp for her entire agenda, so it's no surprise her Super PAC is trying to buy this election so she can have a politician in this seat who reports to party bosses instead of the people of Eastern Iowa," Daniel Sunne, a spokesman for Blum, said in a statement on Thursday.

The ad was first reported by The Washington Post.

Priorities USA has targeted Sens. Kelly AyotteKelly Ann AyotteFormer Arizona senator to shepherd Supreme Court nominee through confirmation process Shut the back door to America's opioid epidemic Heitkamp ad highlights record as Senate race heats up MORE (N.H.) and Pat Toomey (Pa.), two of the most vulnerable Republicans this cycle, but until now it has not struck blows against any House candidate.

According to Priorities, the ad will air in the Cedar Rapids media market, which is part of Blum’s congressional district.

This story was updated at 2:19 p.m.