The Russian president delivered his annual Victory Day speech.
More than a year after Russian President Vladimir Putin launched a full-scale invasion of neighboring Ukraine on Feb. 24, 2022, the countries are fighting for control of areas in eastern and southern Ukraine.
Ukrainian President Volodymyr Zelenskyy's forces are readying a spring counteroffensive, but Putin appears to be preparing for a long and bloody war.
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At least 501 children have been killed and almost 1,000 others injured since February 2022, Catherine Russell, executive director of UNICEF, tweeted Monday.
"Another tragic milestone for Ukraine's children and families," she wrote, adding: "This is just the UN verified number. The real figure is likely far higher, and the toll on families affected is unimaginable."
The Russian State Duma will arrest anyone who agrees with the International Criminal Court's arrest warrant for Russian President Vladimir Putin accusing him of committing war crimes, the State Duma said on its official Telegram channel Monday.
Russia will imprison those who "call for the implementation of the decision" of the International Criminal Court "on the arrest of Vladimir Putin accused of war crimes," the State Duma of the Russian Federation said.
"The profile committees of the State Duma are preparing amendments to the Federal Law 'On Security,' which will prohibit the activities of the International Criminal Court and international bodies directed against the Russian Federation on our territory and its citizens," Chairman of State Duma Vyacheslav Volodin said.
The ICC issued an arrest warrant for Putin for war crimes in March, accusing him of personal responsibility for the abductions of children from Ukraine.
-ABC News' Oleksiy Pshemyskiy
A suspect in a St. Petersburg cafe blast that killed a Russian military blogger on Sunday has been arrested, Inferfax reported.
The Russian Investigative Committee said on Telegram that Darya Trepova was arrested on suspicion of involvement, the Russian wire service reported.
-ABC News’ Joe Simonetti
Russia plans to move tactical nuclear weapons in Belarus to the country's western borders, Boris Gryzlov, the Russian ambassador to Belarus, said Sunday.
Gryzlov's announcement comes just three days after Russia and the United States clashed in the United Nations over the Kremlin's plans to deploy tactical nuclear weapons in Belarus. U.S. officials denounced the move as a desperate attempt by Russia to avoid military defeat and “threaten the world with nuclear apocalypse."
Gryzlov said in an address aired on the Belarusian STV channel that tactical nuclear weapons "will be moved to the western borders of our Union State and will increase the possibilities for ensuring our security."
The western border of Belarus is shared by Poland, a NATO country supporting Ukraine. Russian forces have used Belarus as a staging ground for the war in Ukraine.
"This will be done despite the noise in Europe and the United States," Gryzlov said.
Ukrainian President Volodymyr Zelenskyy condemned the decision and slammed Belarusian President Alexander Lukashenko, saying he "no longer decides which weapons are on his territory."
"And does (Vladimir) Putin threaten the world? Of course, if Ukraine does not resist, it will fall, Putin will move on, we have emphasized this many times," Zelenskyy said. "With the help of our friends and partners, our army will stand firm and win what is rightfully ours. Victory and our independence."
-ABC News' Will Gretsky
