NATO said it is determined to "actively deter, defend against and counter the full spectrum of cyber threats."
Mikhail Popov, deputy secretary of Russia's Security Council, told "Rossiyskaya" Gazeta that NATO members were provoking Russia.
Central European leaders voiced concerns about a potential "migration wave" from Afghanistan.
Is it wise to pit every democracy against every autocracy and turn the complicated game of geopolitics into a simplistic, zero-sum existential struggle?
"U.S. Sixth Fleet along with Allies and partners will continue to conduct routine operations in international waters and airspace, ensuring freedom of navigation and uninhibited maritime trade across the global commons," a U.S. 6th Fleet spokesperson told Newsweek.
Russia's top diplomat Sergey Lavrov told Indonesian media the U.S had warned and outlined demands to Moscow since the Putin-Biden summit.
Ongoing confrontations between NATO and Russian forces in recent weeks have prompted fears of a sudden, violent escalation.
"The airport must be open and operate. If the airport doesn't work, embassies will pull out, and in such a situation, Afghanistan would become an isolated state," said Turkey's defense minister.
A Pentagon official said on Friday that American and NATO troops had departed the key military stronghold, 30 miles from Kabul.
Iraqi Prime Minister Mustafa al-Kadhimi "stressed the importance of Iraq not being an arena for settling conflicts, or a springboard for aggression against any of its neighbors" during a meeting with NATO Secretary-General Jens Stoltenberg.
Spokesman Dmitry Peskov warned of "negative consequences," two weeks on from the Putin-Biden summit.
Claims come days after a Black Sea spat between Moscow and London over the British Navy ship HMS Defender.
Russian state media has accused Washington of trying to form an anti-China alliance that threatens regional security.
Air Chief Marshal Sir Stuart Peach's comments come as tensions simmer between Beijing and the West over trade, military aggression and cyberespionage.
The Kremlin achieved its goal in promoting the narrative that Russia is capable of seeing off hostile foreign threats.
Deputy foreign minister Sergey Ryabkov said Moscow would take action to protect its borders. "Those who try to test our strength are taking great risks," he added.
"One consideration could be working with our NATO allies who served with us in Afghanistan," Senator Angus King told Newsweek. "It seems to me logical that they would be involved in helping us to solve the problem that they may have."
Russia's Defense Ministry said it fired warning shots at HMS Defender off the coast of Crimea, which the U.K. has denied.
"We hoped that the end of the Cold War would be a common victory for Europe," Putin wrote. "But a different approach has prevailed based on the expansion of NATO."
The former New Jersey governor spoke about President Joe Biden's visits to the U.K., Belgium and Switzerland last week.
The Vermont senator said Washington should cooperate with Beijing on issues such as climate change, pandemics, nuclear proliferation and economic inequality.
The Biden administration should conduct a comprehensive and thorough analysis of today's global security environment to ascertain what changes might be appropriate for America's role in NATO.
A German platoon was recalled from a NATO mission in Lithuania after reports of racist and antisemitic behavior and sexual assault.
Despite hesitation among European leaders to overtly challenge China, President Joe Biden ends his eight-day trip to Europe having secured back-to-back statements calling out Beijing's policies in a wide range of sectors.
Beijing on Tuesday dismissed the communiques coming out of the G7 and NATO summits, accusing Western countries of forming a "clique" to suppress China's development.
"America is back. We are committed —we have never fully left — but we are reasserting the fact it is overwhelmingly in the interest of the United States to have a great relationship with NATO and with the EU," President Joe Biden said, adding he has "a very different view than [his] predecessor."
A rare intercept appeared to capture a Taiwanese radio operator's stark warning to Chinese military aircraft detected inside Taiwan's air defense identification zone on Tuesday.
Fatou Bensouda was slapped with sanctions by the Trump administration for her investigation into the U.S. and its allies for alleged war crimes. In March 2019, she was placed under a travel ban and 18 months later, a freeze on her U.S.-based assets.
"Turkey is on the frontline in the fight against terrorism in all relevant international platforms, especially NATO," Erdogan said, adding that some 4,000 Islamic State group fighters were "neutralized" in Turkish cross-border operations.