CNN's Anderson Cooper knocked President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE Friday night after the president appeared to make light of Russian election interference with President Vladimir Putin Vladimir Vladimirovich PutinPutin nominated for Nobel Peace Prize Navalny released from hospital after suspected poisoning Ex-Trump national security adviser says US leaders 'making it easy for Putin' to meddle MORE and praised Saudi Crown Prince Mohammed bin Salman.

Cooper issued a sharp rebuke of Trump's remarks at the Group of 20 (G-20) summit in Japan after the president was asked by reporters during a joint meeting with Putin to bring up the issue of Russian election meddling.

“Until today, the president has never actually shared a laugh with Putin about election interference, at least publicly,” Cooper responded Friday evening. "Today, this is what happened when asked if he would tell Putin not to interfere in the next election."

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Trump, Cooper continued, was in Japan "ostensibly fighting for U.S. interests," but "apparently doesn't consider election security one of them."

Cooper also knocked Trump for his comments to bin Salman. Trump on Friday praised the Saudi Crown Prince as “a friend of mine,” despite concerns about the young leader among U.S. lawmakers and international officials.

The president did not respond to shouted questions from reporters about whether he would confront the crown prince about the killing of Washington Post contributor Jamal Khashoggi. U.S. lawmakers and international officials have said the crown prince directed the killing of the journalist, who resided in Virginia.

“When it comes to dictators, President Trump is all praise," Cooper said.

Trump had met with Putin Friday where he was pressed by journalists on whether he would tell Russia not to interfere in U.S. elections.

"Yes, of course, I will. Don’t meddle in the election, please. Don’t meddle in the election,” Trump said, pointing to Putin and flashing a grin.

Putin appeared to chuckle in response.

The exchange drew sharp criticism from those who have accused Trump of being too friendly with Putin.

In addition to speaking with Putin at the summit of world leaders Friday, Trump was seen offering a "cheers" with Putin as the two gathered with other world leaders.

Trump's interactions with Putin at formal dinner gatherings have drawn attention before, given tensions over Moscow's interference in the 2016 U.S. presidential election and the president's perceived downplaying of Russian meddling.