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Amash fires back at Trump over Sanford primary tweet

Amash fires back at Trump over Sanford primary tweet
© Greg Nash

Rep. Justin AmashJustin AmashWatchdog files Hatch Act complaint against Sanders for picture with Kanye in MAGA hat Cook Political Report shifts 7 more races towards Dems Rand Paul ramps up his alliance with Trump MORE (R-Mich.) slammed President TrumpDonald John TrumpDemocrats slide in battle for Senate Trump believes Kushner relationship with Saudi crown prince a liability: report Christine Blasey Ford to be honored by Palo Alto City Council MORE on Twitter Tuesday afternoon after the president took aim at Amash's fellow House Freedom Caucus member Rep. Mark SanfordMarshall (Mark) Clement SanfordOvernight Defense — Presented by The Embassy of the United Arab Emirates — Haley shocks Washington with resignation | Turkish officials reportedly conclude Saudis killed journalist | Trump eyes second Kim summit after midterms GOP on timing of Haley’s announcement: 'Unusual' and 'odd' On The Money: House passes 4B spending bill to avert shutdown | Trump 'not happy' after Fed's latest rate hike | Trump says he refused meeting with Trudeau MORE (R-S.C.) hours before Sanford's primary election.

In a tweet, the Michigan conservative attacked Trump, whom he said could not compare to Sanford's "humility in his role and a desire to be a better man."

Trump's pointed endorsement of Sanford's primary challenger Tuesday afternoon rankled House conservatives. In the endorsement, Trump referenced an affair in Argentina that led to the 2010 dissolution of Sanford's marriage just hours before South Carolina voters went to the polls.

"Mark Sanford has been very unhelpful to me in my campaign to MAGA. He is MIA and nothing but trouble. He is better off in Argentina. I fully endorse Katie Arrington for Congress in SC, a state I love. She is tough on crime and will continue our fight to lower taxes. VOTE Katie!" the president tweeted.

Amash is one of the most vocal House Republicans when it comes to criticism of the president, and last year suggested that he would even be open to supporting Trump's impeachment over the president's reported comments to former FBI Director James ComeyJames Brien ComeyFormer FBI lawyer speaks with House lawmakers on Rosenstein, 2016 Emmet Flood steps in as White House counsel following McGahn departure McGahn departs as White House counsel MORE about the investigation into Michael Flynn.

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"I think it's pretty clear I have more confidence in Director Comey [than in the president]," Amash said last year.

Other members of the Freedom Caucus, including the group's chair, Rep. Mark MeadowsMark Randall MeadowsConservative rep slams Rosenstein's 'conflicts of interest' The Hill's Morning Report — Presented by the Coalition for Affordable Prescription Drugs — Trump, Obama head to swing states with Senate majority in balance Five takeaways from the first North Dakota Senate debate MORE (R-N.C.), also responded to the president's remarks.

"Mark Sanford has been a valued member of the Freedom Caucus & certainly has been a thoughtful member of congress. I am very supportive of his re-election efforts & passage of the tax reform package would not have been possible without his input," Meadows said in a statement to NBC News.