The former secretary of defense said the days of cooperation with Russia are gone and that the U.S. must stand alongside its allies against President Vladimir Putin.
Anti-government protesters have been marching against a ban on some opposition parties in the upcoming Moscow city parliament elections.
Relations between NATO allies the U.S. and Turkey have been strained by Ankara's decision to purchase the Russian-made S-400 anti-aircraft system.
Trump has reportedly ordered his national security team to review some $250 million in military aid to Ukraine, which is fighting pro-Moscow separatists in the east of the country.
The two leaders visited an air show outside Moscow this week to inspect Russia's most advanced fighter jet.
The current affairs show 60 Minutes on the Kremlin-backed channel Channel 1 poked fun at the U.S. president's promotion of his Russian counterpart at the G-7 summit which has just finished.
Trump has been lobbying for Russia to be allowed back into the G7 fold, despite opposition from fellow leaders.
The president again floated the idea of readmitting Russia into the G-7, a group the country was booted from after Russian President Vladimir Putin annexed Crimea.
"I've never seen it before," the former GOP congressman said, pointing out that the attack came "in defense of an autocrat."
"Under no condition can we agree with this logic," European Council President Donald Tusk said.
The Russian president said that Moscow would respond with "comprehensive measures" after the Pentagon test-fired a non-nuclear cruise missile.
"What I disagree with is, we're using immigration to essentially divide this country," Democratic 2020 candidate and Montana Governor Steve Bullock said.
The footage has sparked anger among many, who have accused authorities of using excessive force in breaking up a demonstration in Moscow.
Russian Foreign Ministry spokesperson Maria Zakharova said the U.S. Embassy in Moscow promoted the march by posting a map of its planned route online.
The image of the young woman as a symbol of pro-democracy against Vladimir Putin's hardline autocracy has gone viral.
The Kremlin said Putin thanked Trump "for such attentive attitude, for offering help and support" over the massive wildfires.
Navalny was rushed to hospital on Sunday after showing symptoms of an allergic reaction, which his team say was caused by a poisoning attempt.
"We are afraid of the delayed effects of any damage," said Navalny's doctor after his detention following widespread protests in Moscow.
Obama had proposed a bipartisan statement against Russian election interference by congressional leaders, but Majority Leader Mitch McConnell, a Kentucky Republican, told the Obama White House that he would regard any public challenge to the Russians a partisan act.
The altered seal featured a double-headed eagle, similar to the bird in the Russian coat of arms, holding golf clubs and cash.
Where I had reason to believe a sensitive example could lead to a book being banned, I authorized replacing it.
The author replaced criticism of Putin with attacks on President Donald Trump and softened his description of Moscow's annexation of Crimea.
The Russian Foreign Ministry said Georgian TV host's minute-long, profanity-laced attack on Vladimir Putin was "unprecedented in its meanness."
The RS-28 Sarmat is reportedly able to carry a nuclear payload capable of destroying an area the size of Texas.
Putin said it was "not possible" for Mueller to find evidence of collusion "because it simply did not exist."
A deadly Russian submarine fire does not appear to have anything to do with Vice President Mike Pence's schedule change, but it still caused international anxieties.
Cooper's segment, titled "There's something about a dictator," detailed the president's concerning rapport with the world's most controversial leaders.
Trump again refused to publicly condemn certain leaders for taking hostile actions toward American people or interests and boasted of his personal connections with the men instead.
The president was criticized for confusing "western-style liberalism" with liberals on the West Coast of the United States.
Trump was asked to clarify his light-hearted warning to Putin at the G20 in Osaka.