The leaders met at Russia's Vostochny Cosmodrome for a summit that underscores how their interests are aligning in the face of their countries' separate, intensifying confrontations with the U.S.
U.S. officials announced last week that the two leaders would meet in Vladivostok, as Russian President Putin seeks more arms to supply his war in Ukraine.
Russia has occupied the massive Zaporizhzhia nuclear power plant, which sits roughly 50 miles from the front lines. Ukraine's other reactors are also operating in a volatile war zone.
In talks in Sochi, Russia, President Vladimir Putin rejected efforts by Turkish President Recep Tayyip Erdogan to revive a United Nations-backed deal to allow the safe passage of grain from Ukraine.
Swedish lawmakers had said they would boycott this year's Nobel Prize ceremonies in Stockholm after the foundation initially invited representatives of the three countries to attend.
According to new U.S. intelligence, the potential agreement would allow North Korea to ship "significant quantities and multiple types" of weapons to Russia for deployment in Ukraine.
The video was released by the state-controlled outlet Russia Today. Whelan is shown in a prison uniform standing among other prisoners, operating a sewing machine and eating with others.
Andrii Pilshchykov, known as "Juice," died in a training flight Friday. He was a veteran of early combat missions during Russia's invasion and later advocated for Western countries to donate F-16s.
Russia's Investigative Committee said genetic tests confirmed that the head of the mercenary force Wagner, who led a short-lived armed rebellion, and two of the group's leaders were on the plane.
The Kremlin is dismissing allegations that Russian President Vladimir Putin was behind the apparent death of Wagner mercenary leader Yevgeny Prigozhin in a plane crash.
