NATO has asked Russia to "reduce tensions and de-escalate" as Kyiv increases its calls to join the U.S-led alliance to counter the threat from Moscow.
Russia and Ukraine have been staging combat drills as Russian troops have amassed along the countries' border.
"Today, after these two procedures, I already did some sport in the morning," Putin said during a cabinet meeting.
The Crimean Peninsula is considered to be part of Ukraine by many countries around the world, but Russia continues to call it part of its own country.
"As if the collective West had no role to play in this, and everything was done by other people who are not connected with 'their' countries," Russian Foreign Ministry spokesperson Maria Zakharova said.
Reps. Steve Cohen and Joe Wilson introduced a resolution calling on Congress not to recognize Putin if he stays in power past May 7, 2024.
Russia denies all allegations and President Vladimir Putin said that the suspects are civilians.
"The best way to deter an aggressive Russia is to make it clear for the Kremlin that Ukraine is strong, but also that it has strong allies who will not leave it alone in the face of Moscow's ever-increasing aggressiveness," Ukrainian Foreign Minister Dmytro Kuleba said.
Ukraine alleges that Russia has kept tens of thousands of troops and military equipment near their shared border since earlier this year amid invasion concerns.
The Russian president told a TV interview that alliance posed a "serious challenge" in the Black Sea region.
Russia refused to allow the U.S. to host "unless some of its diplomats are removed from a U.S. blacklist or allowed to enter the U.S. to participate."
The Fox News host told a Republican congressman he was "confused" about why the U.S. is not supporting Russia.
St. Petersburg has mandated those over 60 or with chronic illnesses be vaccinated by Jan. 15, the first dose being administered before Dec.15.
Foreign ministry spokesperson Maria Zakharova has attacked comments casting doubt on Russia's willingness to fight global warming.
President Vladimir Putin declared a holiday from October 30 to November 7 but the infection numbers continue to rise.
Six out of the 10 biggest methane-emitting countries have vowed to reduce the greenhouse gas.
Kremlin spokesman Dmitry Peskov responded to Biden's criticism of the Russian leader's climate change attitude.
Russian President Vladimir Putin wants to tighten defense security amid recent movements from U.S. and NATO forces.
Russia reported more than 40,000 new confirmed COVID-19 cases and more than 1,100 deaths on Monday for the seventh day in a row.
The nonworking period is scheduled to begin Oct. 30 and last through Nov. 7, but some of the more seriously affected regions and Moscow began early.
Russia's national coronavirus task force reported 1,106 COVID-19-related deaths on Tuesday, the most since the start of the pandemic.
The government's COVID task force reported a record 37,930 new cases Monday and 1,069 deaths, nearly reaching the record 1,075 documented over the weekend.
The Russian president told a forum in Sochi that the U.S. should still take responsibility for its military withdrawal.
Russia was the first country in the world to authorize a COVID-19 vaccine, yet the country has shown little interest in vaccination.
Russian Deputy Foreign Minister Andrei Rudenko warned against plans for its neighbor to join the alliance.
"Our task today is to protect life and health of our citizens and minimize the consequences of the dangerous infection," Russian President Vladimir Putin said.
"This is a path that it's very hard to turn back on," Fiona Hill warned.
A Putin spokesman said the Kremlin will avoid lockdowns "as long as the health care infrastructure isn't overwhelmed and remains in a working condition."