Russia is not a friend of the United States, Democratic Sen. Ben Cardin Benjamin (Ben) Louis CardinCongress must finish work on popular conservation bill before time runs out PPP application window closes after coronavirus talks deadlock Congress eyes tighter restrictions on next round of small business help MORE (Md.) emphasized Sunday on CNN, referring to reports that Moscow had intervened in the election to help Donald 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.

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Cardin, the ranking member on the Senate Foreign Relations Committee, praised President Obama's order for a full review of Russia's impact on the election.

"We need to find out exactly what has happened. What we do know is that Russia hacked us," Cardin said on "State of the Union."

"What we need to do is have that type of investigation to find out what we should do about Russia."

"Russia is not our friend," he said, repeating the statement another three times.

Cardin said he believes Russia wants to compromise the U.S.'s democratic institutions.

"Whether they were trying to elect Donald Trump — that's something we need to take a look at. We need to find out and then take action."

He called Russia a "bully" and a "corrupt regime."

He also criticized Trump for mocking American intelligence assessments that Russia interfered in the election.

"We have the best intelligence networks in the world. It's critically important that our Trump administration work with the intelligence agency," he said.