The parade would fall on "Victory Day," Russia's largest public holiday held every year on May 9 to celebrate triumph over Nazi Germany in the Second World War.
A pro-Russian soldier can be seen in a video wearing an emblem used by Nazi Germany's Waffen-SS and a symbol of interlocking triangles from Norse mythology commonly used by neo-Nazis.
Ukrainian President Volodymyr Zelensky said he may be willing to compromise on the contested Donbas region, but the economic cost could be high.
"Return to where it all began, and there we will try to solve the issue of Donbas, the complex issue of Donbas," Zelensky called on Russian troops in Ukraine.
Former British Army Major Kevin Price said the cold "will degrade the Russian force" and "the Russians are not ready for Arctic conditions."
Ahead of Russia's invasion of Ukraine, President Vladimir Putin repeatedly warned the West about NATO's expansion, viewing it as a threat to Russia's security.
After leaving America to join pro-Russian forces in Ukraine in 2014, Bentley tells Newsweek he'll only return to "liberate" the U.S.
"I voted for peace, not for war," lawmaker Mikhail Matveev tweeted on Friday.
The president has already signed an executive action imposing sanctions on two breakaway Ukrainian regions.
The United Nations Security Council will hold an emergency meeting in response to the Russian president's announcement.
The executive order will "provide authority to impose sanctions on any person determined to operate in those areas of Ukraine," Press Secretary Jen Psaki said.
"Russia's decision is yet another example of President Putin's flagrant disrespect for international law and norms," Blinken said in a statement.
Tensions have risen dramatically in eastern Ukraine, with reports of intensifying shelling and fighting between Ukrainian forces and Russian-backed separatists.
"It's clear that tensions are rising," Kremlin spokesperson Dmitri Peskov told reporters ahead of the security council meeting.
Evacuations have been ramped up as shelling in the Russian-backed separatist enclaves of Luhansk and Donetsk has escalated in recent days.
President Joe Biden said on Friday that he believed President Vladimir Putin had made the decision to invade Ukraine.
"The evacuees will be provided with everything they need," said Denis Pushilin, the head of the breakaway Donetsk People's Republic.
Vladimir Putin is making Russian passports more easily available to Ukrainians living in the self-proclaimed republics of Donetsk and Luhansk, where pro-Kremlin separatists have been battling Kiev forces.
Russia's security chief said that Kiev's reliance on Western support may contribute to Ukraine's loss of statehood.
The Kremlin leader allegedly revealed the news during a closed-door speech on Thursday with top Russian ambassadors.
The U.S. State Department demanded an end to the hostilities as the conflict entered its fifth year.
The Javelin missiles are deemed so effective that intention to sell or deploy them has long warranted a big political announcement.
Russia is reinforcing its forces in Crimea by dispatching more S-400 surface to air missiles there.
Ukraine's future is no longer a binary struggle between a pro-Western and a pro-Russian future. Now, China's in the mix.
Chinese Army aircraft may approach Taiwan under the guise of commercial airliners.
Ukraine's security service has brought criminal charges against leading reform groups.