Flowers are left on the ground near the Borisovskoye cemetery during the funeral of Russian opposition politician Alexei Navalny in Moscow, Russia, on March 1, 2024. (Photo by Reuters/Stringer)

People mourn at a makeshift memorial in front of the Russian embassy in Yerevan on March 23, 2024, a day after a gun attack on the Crocus City Hall in Russia's Krasnogorsk. Camouflaged assailants opened fire at the packed Crocus City Hall in Moscow's northern suburb of Krasnogorsk on March 22, 2024, evening ahead of a concert by Soviet-era rock band Piknik in the deadliest attack in Russia for at least a decade. Russia on March 23, 2024, said it had arrested 11 people – including four gunmen – over the attack on a Moscow concert hall claimed by Islamic State, as the death toll rose to 133 people. (Photo by Karen Minasyan/AFP Photo)

Russian soldiers run along Red Square in central Moscow on September 29, 2022, as the square is sealed prior to a ceremony of the incorporation of the new territories into Russia. Russia will formally annex four territories of Ukraine its troops occupy at a grand ceremony in Moscow on Friday, the Kremlin has announced, after Russia suggested it could to use nuclear weapons to defend the territories. (Photo by Alexander Nemenov/AFP Photo)

People pass by the floating restaurant “Silver Whale” which partially sank during ice drift on the Neva River in St. Petersburg, Russia, 27 March 2023. Rescuers try to secure it with ropes so that the restaurant is not swept away by the river. The temperatures have reached zero degrees Celsius in the second largest city of Russia. (Photo by Anatoly Maltsev/EPA/EFE/Rex Features/Shutterstock)

A municipal worker cleans the monument of Soviet state founder Vladimir Lenin from a crane during preparations for the 153th anniversary of Lenin's birthday in St. Petersburg, Russia, 18 April 2023. The monument to Vladimir Lenin at the Moscow Square was installed in 1970. It was made according to the project of the sculptor Mikhail Anikushin and is the tallest monument to Lenin in St. Petersburg. (Photo by Anatoly Maltsev/EPA/EFE/Rex Features/Shutterstock)

Police officers detain a man during a gathering in memory of Russian opposition leader Alexei Navalny near the Wall of Grief monument to the victims of political repressions in Moscow, Russia on February 17, 2024. (Photo by Reuters/Stringer)

A Russian Rosguardia (National Guard) servicemen secures an area as a massive blaze seen over the Crocus City Hall on the western edge of Moscow, Russia, Friday, March 22, 2024. Several gunmen have burst into a big concert hall in Moscow and fired automatic weapons at the crowd, injuring an unspecified number of people and setting a massive blaze in an apparent terror attack days after President Vladimir Putin cemented his grip on the country in a highly orchestrated electoral landslide. (Photo by Dmitry Serebryakov/AP Photo)

Russian servicewomen take part in the Victory Day military parade rehearsal at the Red Square in Moscow, Russia, Sunday, May 5, 2024. The parade will take place at Moscow's Red Square on May 9 to celebrate 79 years of the victory in WWII. (Photo by Maxim Shipenkov/Pool Photo via AP Photo)