Sergei Ryabkov's comments come after Secretary of State Antony Blinken warned Moscow about acting "recklessly."
Dmitry Kozak, who serves as Russian President Vladimir Putin's deputy chief of staff, said an escalation on the part of Ukraine would be "a self-inflicted wound, a shot not in the leg but in the face."
The troop build-up on the Ukrainian border is reportedly Moscow's biggest since the conflict erupted in 2014.
"You'll realize that I wasn't keeping tabs on possessions very well for about a four-year period of time," the president's son said in a recent interview with CBS News.
Biden spoke by phone with Ukrainian President Volodymyr Zelenskiy for the first time since taking office.
When I arrived in the U.S. I was really failing to thrive. Doctors said I wouldn't have lived past the age of ten if I had stayed in Ukraine.
"Beautiful Things" will be released on April 6, and chronicles the president's son's struggles with addiction.
The Ukrainian president hinted that he was angered by the former U.S. president's move to release details of the call.
"I'm disappointed that Joe Biden let this happen," the Republican senator told Fox News.
The bear, known as Jambolina, was forced to perform in a circus for 11 years.
"I'm not going to turn a blind eye on this," GOP Senator Ron Johnson said. "We'll keep digging."
Colorado's Ken Buck says America can't "move forward" with a Joe Biden presidency unless the DOJ appoints a special counsel to investigate Hunter Biden's laptop—that is, Buck claims, if Biden even won.
The social media giant was found hosting pages with more than 80,000 followers linked to Ukraine-based extremists.
Facing sanctions on many fronts, the Russian president extended by a year its own measures on countries that have tried to punish Moscow.
"Ukraine remains strictly committed to the policy of non-interference in internal affairs of other countries," the Ukrainian Foreign Ministry told Newsweek, emphasizing Russia was at the forefront of its concerns as the U.S. election approaches.
Bobulinski alleges that in May 2017 email, Hunter sought to get Joe 10 percent equity from Sinohawk Holdings, a holding company of which Bobulinski was CEO.
President Trump's camp has its own concerns, like not getting so obsessed with Biden's son that he forgets to tout the economy.
Ratcliffe said he's tired of "people using the intelligence community to leverage some political narrative."
The hard drive is at the center of allegations that Joe Biden abused his position as Vice President to benefit his son.
It is undeniable that the extended Biden family enjoyed great financial success at the same time that Joe Biden rose to become vice president of the United States.
"We need someone who will put the interests of the American people over the interests of themselves, and that person is Vice President Joe Biden," Trump Jr. is edited to say in the ad.
The emails and photos included in the report came from a Trump-supporting computer store owner in Delaware via Rudy Giuliani.
"Vice President Biden," President Donald Trump said, "you owe the people of America an apology because it turns out you are a corrupt politician.
Trump has long alleged that the Bidens used Joe's role as vice president to benefit his son's business dealings in the Ukraine.
The unnamed employee died in hospital after being found unconscious by a railroad near the American embassy in the Ukrainian capital.
According to reports, there are two survivors who have sustained severe injuries, while the search is ongoing for four more passengers.
Joe Biden's campaign dismissed the report as an attempt "to bail out Donald Trump's reelection campaign."