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 on Thursday took more shots at 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, despite growing calls from Republicans and veterans groups to stop attacking the Arizona GOP lawmaker who died last year.

In an interview with Fox Business Network, Trump called McCain “horrible” for his 2017 vote against a congressional Republican measure to repeal ObamaCare and accused him of handing a dossier of explosive claims about Trump’s ties to Russia to the FBI for “very evil purposes.”

When asked by anchor Maria Bartiromo why he continues to criticize McCain, who died seven months ago after battling brain cancer, Trump claimed he was prompted by the news media.

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“I don’t talk about it,” the president said. “People ask me the question. I didn’t bring this up. You just brought it up. You just asked the question.”

Trump renewed his attacks on McCain last weekend in an apparent reaction to a news report about the controversial dossier authored by former British spy Christopher Steele, not after he was asked about his attitude toward the senator.

He has continued to lash out at the former GOP senator over the past several days, telling reporters on Tuesday “I was never a fan of John McCain, and I never will be” and then on Wednesday grousing about not receiving a “thank you” for approving funeral arrangement plans for McCain, despite his dislike for the former senator. McCain was memorialized at Washington’s National Cathedral last fall, and Trump was not invited to attend.

Trump authorized a government airplane to transport McCain’s remains from Arizona to the nation’s capital but the cathedral said Trump’s approval was not needed to host the funeral.

Veterans’ groups expressed outrage over Trump’s continued attacks on McCain, a naval aviator who spent more than five years as a prisoner of war in Vietnam.

Vietnam Veterans of America National President John Rowan said in a statement Thursday his group is “chagrined” that Trump will not “let a fellow Vietnam veteran rest in peace.”

“This entire dustup is disgraceful, it’s deplorable and it’s destructive,” Paul Rieckhoff, founder of Iraq and Afghanistan Veterans of America, said on CNN. “It's bad for our military and veterans community and it’s bad for Donald Trump. This doesn’t help him. I can’t imagine who would support this position, continuing to attack a war hero.”

Republican lawmakers continued to plead with Trump to cease his attacks, highlighting the divide within the party over one of its most well-known members.

“Mr. President, seriously stop talking about Senator McCain,” tweeted Rep. Dan Crenshaw Daniel CrenshawSecond night of GOP convention outdraws Democrats' event with 19.4 million viewers GOP sticks to convention message amid uproar over Blake shooting The Hill's Convention Report: Mike and Karen Pence set to headline third night of convention MORE (R-Texas), a retired Navy SEAL who served in Afghanistan.

Crenshaw’s comment came one day after Sen. Johnny Isakson Johnny IsaksonLoeffler paints herself as 'more conservative than Attila the Hun' in new campaign ad Georgia GOP Senate candidates cite abortion in pushing Ginsburg replacement Loeffler: Trump 'has every right' to fill Ginsburg vacancy before election MORE (R-Ga.) called Trump’s insults “deplorable.”

A number of other GOP senators, 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 (R-Ky.), issued statements lauding McCain but did not directly criticize Trump.

Updated 5:07 p.m.