Fox Business Network host Lou Dobbs on Wednesday chastised Republican lawmakers who have pushed back against President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's latest torrent of criticism against the late Sen. John McCain John Sidney McCainCindy McCain endorses Biden: He's only candidate 'who stands up for our values' Biden says Cindy McCain will endorse him Biden's six best bets in 2016 Trump states MORE (R-Ariz.).

Dobbs praised Republican National Committee (RNC) Chairwoman Ronna Romney McDaniel for keeping the party unified before pivoting to criticize Sen. Mitt Romney Willard (Mitt) Mitt RomneySenate GOP aims to confirm Trump court pick by Oct. 29: report The Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Senate GOP sees early Supreme Court vote as political booster shot MORE (R-Utah) for "undercutting this president because he made some nasty remarks about John McCain."

"There’s a reason for those nasty remarks." Dobbs said on his show. "There’s a history between those two men. And the people who are attacking — including [Senate Majority Leader] Mitch McConnell Addison (Mitch) Mitchell McConnellPelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Senate GOP aims to confirm Trump court pick by Oct. 29: report Trump argues full Supreme Court needed to settle potential election disputes MORE — attacking the president for his views on John McCain is asinine."

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Trump has in recent days gone after McCain, who died in August after a battle with brain cancer. The president has specifically targeted the Arizona Republican over his ties to a dossier of allegations about Trump and Russia as well as the late senator's 2017 vote against the repeal of ObamaCare.

Trump escalated his attacks on Wednesday when he lamented that he was not thanked for giving McCain "the kind of funeral that he wanted."

"We sent him on the way, but I wasn’t a fan of John McCain," Trump said. Trump was not invited to McCain's funeral.

A number of Republican lawmakers came to McCain's defense on Wednesday, both before and after Trump's remarks about McCain's funeral. The president did not attend the services last year and was criticized after he waited to lower flags to half-staff in McCain's honor.

Sen. Johnny Isakson (R-Ga.) told a Georgia radio station that Trump's criticism of McCain was "deplorable" and showed a "lack of respect" for the Arizona Republican's military service.

McConnell (R-Ky.) praised McCain as a "rare patriot and genuine American hero."

"His memory continues to remind me every day that our nation is sustained by the sacrifices of heroes," he said in a tweet.