President Trump on Tuesday said "the haters are going" crazy after his recent comments about Russian President Vladimir Putin sparked criticism.

"I don't know Putin, have no deals in Russia, and the haters are going crazy - yet Obama can make a deal with Iran, #1 in terror, no problem!" Trump wrote on Twitter.

I don't know Putin, have no deals in Russia, and the haters are going crazy - yet Obama can make a deal with Iran, #1 in terror, no problem! — Donald J. Trump (@realDonaldTrump) February 7, 2017

Trump during an interview with Bill O’Reilly shot back when the Fox News host asserted that Putin is “a killer.”

"There are a lot of killers. We've got a lot of killers. What, you think our country is so innocent?" Trump responded.

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Vice President Pence later argued that Trump was not invoking “a moral equivalency” between the United States and Russia by making the comment.

Republican lawmakers, meanwhile, including Sens. Marco Rubio Marco Antonio RubioHillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll Intelligence chief says Congress will get some in-person election security briefings Republican Senators raise concerns over Oracle-TikTok deal MORE (Fla.) and Ben Sasse (Neb.) have disputed Trump's comparison between the U.S. and Russia.

"I don't know what the president's trying to do with statements like he allegedly has on O'Reilly on the Super Bowl tonight," Sasse told ABC's "This Week."

"There is no moral equivalency there," he later said.