CNN host Anderson Cooper on Tuesday criticized 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 for his continued attacks 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.), with Cooper noting that Trump is "punching at a person who's dead."

Appearing on CNN's "Anderson Cooper 360," Republican strategist Adolfo Franco said Trump's attacks against McCain are evidence of his counterpunching style.

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“We know the president’s style is to, when he’s attacked, as he says, 'I’ll punch back,'" Franco said.

Cooper said in response that he understands counterpunching, but said Trump is "punching a person who can’t fight back."

“I understand the whole counterpunching thing, which is a line we’ve heard a lot from the president," Cooper said. "He’s punching at a person who’s dead. He’s punching a person who can’t fight back because he’s dead.”

"He's punching at a person who is dead. He is punching at a person that can't fight back because he's dead."@andersoncooper challenges GOP strategist who was explaining Pres. Trump's remarks on the late Sen. McCain as part of his counterpunching style. pic.twitter.com/UGnDg9OGcQ — Anderson Cooper 360° (@AC360) March 20, 2019

Trump, who long feuded with McCain, in recent days has renewed his attacks on the former senator, who died of brain cancer last year.

Trump took to Twitter over the weekend to go after McCain, blasting him for a vote against repeal of the Affordable Care Act and for sharing a dossier that detailed alleged ties between Trump and Russia with former FBI Director James Comey James Brien ComeyDemocrats fear Russia interference could spoil bid to retake Senate Book: FBI sex crimes investigator helped trigger October 2016 public probe of Clinton emails Trump jabs at FBI director over testimony on Russia, antifa MORE.

Trump stepped up his attacks on Tuesday.

“I was never a fan of John McCain, and I never will be,” Trump told reporters during an Oval Office meeting.

“I'm very unhappy that he didn’t repeal and replace ObamaCare, as you know,” Trump added.