"Biden has called for the Russian leader to face trial, but the process would be difficult and could play out in several ways"
https://www.theguardian.com/world/2022/apr/04/putin-war-crimes-accusation-ukraine-icc
"The U.S. Embassy in Kyiv said that Moscow committed a war crime by attacking a nuclear power plant in Ukraine—“Putin’s shelling of Europe’s largest nuclear plant takes his reign of terror one step further,” the embassy tweeted."
https://news.northeastern.edu/2022/03/09/putin-war-crimes/
"Ukrainian President Volodymyr Zelenskyy said on Thursday he was convinced that his Russian counterpart Vladimir Putin would face an international war crimes court when Ukraine wins the war that has been raging for over a year."
https://www.nbcnews.com/news/world/russia-ukraine-war-putin-war-crimes-court-zelenskyy-drone-kremlin-rcna82826
"A brigade accused of committing war crimes in the Ukrainian town of Bucha has been awarded an honorary title by Russian President Vladimir Putin."
https://www.cnn.com/2022/04/19/europe/russia-bucha-brigade-honorary-title-putin-intl/index.html
"The International Criminal Court in the Hague has issued an arrest warrant against Russian President Vladimir Putin.
It accuses him of being responsible for war crimes in Ukraine, including the unlawful deportation of children."
https://www.bbc.com/news/world-60690688
Russia accused of war crimes as school handing out food parcels hit in bomb attack
https://news.yahoo.com/ukraine-russia-news-live-ukrainian-072741563.html?ref=upstract.com
Russia's former president suggested firing a hypersonic missile at The Hague after Putin's ICC arrest warrant: 'Look carefully into the sky'
https://www.businessinsider.com/medvedev-suggests-russia-bombs-the-hague-after-putin-arrest-warrant-2023-3?op=1