"When we are struck, we strike back," Putin said, stressing that Moscow's strategy was based on a "so-called retaliatory strike" policy.
Russian troops have withdrawn not only from the Kyiv area and around the country's largest city, Kharkiv, but from a large part of the Kherson region.
"There can be no independent Poland," he is quoted as saying in 1919, "without an independent Ukraine."
Putin, who was once rumored to personally supervise the military campaign in Ukraine and give battlefield orders to generals, appeared this week to be focused on everything but the war.
Three U.S. officials said preliminary assessments suggested the missile was fired by Ukrainian forces at an incoming Russian missile.
Weeks later, the Russian retreat from the city of Kherson has boosted Ukrainian resistance after nearly nine months of fighting and hardship.
They do not know when the police might come to force them out, but with Germany in need of more coal, most think it will be soon.
"During the war in Ukraine... we are against arming both Russia and Ukraine," Iran's Foreign Minister Hossein Amir-Abdollahian said in video remarks published by local media.
Since Russia's allegations and thinly veiled threat of potential nuclear escalation, both Kyiv and its allies have fiercely rejected the claim.
Russian Defense Minister Sergei Shoigu has had a series of recent phone calls with counterparts from several NATO countries in which he said Kyiv was planning to use a dirty bomb.
“President Putin thinks that these attacks will somehow break the will of Ukrainian people. Instead, he is only deepening their resolve to defend their country,” Blinken told reporters on Friday.
Israel has walked a delicate diplomatic line since the start of the Russian invasion, seeking to preserve ties with Moscow.
Russian President Vladimir Putin on Wednesday introduced martial law in Ukraine's Donetsk, Lugansk, Kherson and Zaporizhzhia regions that Moscow claims to have annexed.
The hardening EU stance towards Tehran appeared to bury deeper hopes of reviving a 2015 Iran nuclear deal, which has been eroded since then-president Donald Trump withdrew US support in 2018.
Zelensky described the repeated targeting of energy infrastructure as 'another kind of Russian terrorist attacks'.
Iran denies exporting any weapons to either side, but the United States warned it would take action against companies and nations working with Tehran's drone programme following the strikes in Kyiv.
The plane crashed after taking off to carry out a training flight from the military airfield of the Southern Military District.
Attacks on Kyiv had become rare before the capital city was hit at least four times during Monday’s massive strikes, which killed at least 19 people and wounded more than 100 across the country.
"I think he is a rational actor who has miscalculated significantly," Biden told CNN after Moscow's shelling of civilian targets across its neighbour marked an escalation in the seven-month conflict.
"They must strictly follow the safety and security guidelines issued by the Ukrainian Government and local authorities," it said.