"If the United States is concerned about China and wants to pivot towards Asia, then you have to ensure that Putin doesn't win in Ukraine," NATO's head said.
The top adviser for NATO's secretary general reportedly said Ukraine may be able to join the alliance if it turned over some territory to Russia.
NATO Secretary-General Jens Stoltenberg has repeatedly pushed NATO members to boost military spending to two percent of each nation's GDP.
The two-day NATO summit in Vilnius, Lithuania, has reinforced allies' pledges to increase defense spending and continue to support Ukraine.
NATO members will "reaffirm" an earlier commitment that Ukraine will join the alliance in the future, Secretary General Jens Stoltenberg said Friday.
NATO countries bordering Belarus have spoken of strengthening their security forces due to the relocation of Wagner Group troops.
A Ukrainian official said NATO leaders need to "take a decisive step" toward making Ukraine a member of the alliance.
Ukraine's president said his forces have been slowed down by Russian landmines.
"We do not know if this will be a turning point," the alliance's Secretary-General Jens Stoltenberg said in Brussels of Kyiv's push.
The Kremlin has accused NATO members of becoming involved in the conflict by sending Ukraine weapons and assisting with military intelligence.
A NATO war with Russia is "the worst-case scenario, but it is not impossible," Czech General Karel Rehka said.
NATO Secretary-General Jens Stoltenberg addressed efforts to help alliance members increase their supplies of weapons.
Zelensky has made repeated calls for Western allies to provide fighter jets in order for his military to establish air superiority over the Russian military.
Kyiv's troops, Jens Stoltenberg said, will be in a "strong position to continue to retake occupied territory."
A well-known Kremlin propagandist advocated for attacks in Poland and Germany.
"Mr President, I am here today with a simple message: NATO stands with Ukraine," the secretary-general said.
The size of Finland's military makes it a legitimate concern to Russia, a prominent Russian military analyst said.
Russian President Vladimir Putin recently announced Moscow will place nuclear weapons in Belarus.
Sauli Niinistö was confident the country would join NATO, added that "President Putin still has some kind of obsession dealing with Ukraine."
Hungary is set to deliver a blow to the Russian president in the form of its expected vote on new NATO members.
Moldova was granted EU candidate status alongside Ukraine in June 2022.
Experts believe Russia has biggest stockpile of nuclear weapons in the world.
Andrey Gurulyov said that Russia needs to focus on winning with modern weapons and "to deploy them in the troops."