People place flowers by the fence next to the Crocus City Hall, on the western edge of Moscow, Russia, Saturday, March 23, 2024. Russia's top state investigative agency says the death toll in the Moscow concert hall attack has risen to over 133. The attack Friday on Crocus City Hall, a sprawling mall and concert venue on Moscow's western edge, also left many wounded and left the building a smoldering ruin. (AP Photo/Alexander Zemlianichenko)
In this photo taken from video released by the Investigative Committee of Russia on Saturday, March 23, 2024, firefighter work in the burned concert hall after an attack on the building of the Crocus City Hall on the western edge of Moscow, Russia. Russia's top state investigative agency says the death toll in the Moscow concert hall attack has risen to over 130. The attack Friday on Crocus City Hall, a sprawling mall and concert venue on Moscow's western edge, also left many wounded and left the building a smoldering ruin. (Investigative Committee of Russia via AP)
In this photo taken from video released by Investigative Committee of Russia on Saturday, March 23, 2024, a Kalashnikov assault rifle lies on the ground as Investigators from the Investigative Committee of Russia together with the operational units of the Ministry of Internal Affairs and the FSB, work the scene after an attack on the building of the Crocus City Hall on the western edge of Moscow, Russia. Several gunmen 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. (Investigative Committee of Russia via AP)
People place flowers and toys by the fence next to the Crocus City Hall, on the western edge of Moscow, Russia, Saturday, March 23, 2024. Russia's top state investigative agency says the death toll in the Moscow concert hall attack has risen to over 133. The attack Friday on Crocus City Hall, a sprawling mall and concert venue on Moscow's western edge, also left many wounded and left the building a smoldering ruin. (AP Photo/Alexander Zemlianichenko)
Russian President Vladimir Putin speaks on the photo in Moscow, Russia, Saturday, March 23, 2024. Russian President Vladimir Putin said Saturday that authorities have detained 11 people in the attack on a suburban Moscow concert hall that killed at least 115 people and left the sprawling venue a smoldering ruin. (Mikhail Metzel, Sputnik, Kremlin Pool Photo via AP)
Bodies of victims are loaded into vehicles at the Crocus City Hall on the western edge of Moscow, Russia, Saturday, March 23, 2024, following an attack Friday, for which the Islamic State group claimed responsibility. Over 90 people were killed authorities said. (AP Photo)
A woman lights candles at the fence next to the Crocus City Hall, on the western edge of Moscow, Russia, Saturday, March 23, 2024. Russia's top state investigative agency says the death toll in the Moscow concert hall attack has risen to over 133. The attack Friday on Crocus City Hall, a sprawling mall and concert venue on Moscow's western edge, also left many wounded and left the building a smoldering ruin. (AP Photo/Alexander Zemlianichenko)
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. (AP Photo)
In this photo released by Russian Emergency Ministry Press Service on Saturday, March 23, 2024, firefighters work in the burned concert hall after an attack on the building of the Crocus City Hall on the western edge of Moscow, Russia. Russia's top state investigative agency says the death toll in the Moscow concert hall attack has risen to over 130. The attack Friday on Crocus City Hall, a sprawling mall and concert venue on Moscow's western edge, also left many wounded and left the building a smoldering ruin. (Russian Emergency Ministry Press Service via AP)
A woman reacts as she place flowers by the fence next to the Crocus City Hall, on the western edge of Moscow, Russia, Saturday, March 23, 2024, following an attack Friday, for which the Islamic State group claimed responsibility. Russian officials say more than 90 people have been killed by assailants who burst into a concert hall and sprayed the crowd with gunfire. (AP Photo/Vitaly Smolnikov)
People react next to the Crocus City Hall, on the western edge of Moscow, Russia, Saturday, March 23, 2024. Russia's top state investigative agency says the death toll in the Moscow concert hall attack has risen to over 133. The attack Friday on Crocus City Hall, a sprawling mall and concert venue on Moscow's western edge, also left many wounded and left the building a smoldering ruin. (AP Photo/Alexander Zemlianichenko)
People lineup to donate blood to help victims of the attack in Crocus City Hall, near the Blood Center of the Federal Medical and Biological Agency, in Moscow, Russia, Saturday, March 23, 2024. Over 90 people were killed, including three children, authorities said. (Denis Voronin/Moscow News Agency via AP)
A view of the burnt Crocus City Hall after an attack, on the western edge of Moscow, Russia, Saturday, March 23, 2024. Russia's top state investigative agency says the death toll in the Moscow concert hall attack has risen to over 133. The attack Friday on Crocus City Hall, a sprawling mall and concert venue on Moscow's western edge, also left many wounded and left the building a smoldering ruin. (AP Photo/Alexander Zemlianichenko)
A woman reacts as she comes to place flowers at the fence next to the Crocus City Hall, on the western edge of Moscow, Russia, Saturday, March 23, 2024, following an attack Friday, for which the Islamic State group claimed responsibility. Russian officials say more than 90 people have been killed by assailants who burst into a concert hall and sprayed the crowd with gunfire. (AP Photo/Vitaly Smolnikov)
A man places flowers on the fence near the Crocus City Hall on the western edge of Moscow, Russia, Saturday, March 23, 2024, following an attack Friday, for which the Islamic State group claimed responsibility. Over 90 people were killed, including at least three children, authorities said. (AP Photo/Vitaly Smolnikov)
People stand at a body of a victim near the burning building of the Crocus City Hall on the western edge of Moscow, Russia, Friday, March 22, 2024. Several gunmen 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. (AP Photo)
A view of the Crocus City Hall burned after a terrorist attack is seen on the western edge of Moscow, Russia, Saturday, March 23, 2024. Assailants burst into a large concert hall in Moscow on Friday and sprayed the crowd with gunfire, killing and injuring multiple people and setting fire to the venue in a brazen attack just days after President Vladimir Putin cemented his grip on power in a highly orchestrated electoral landslide. (AP Photo/Vitaly Smolnikov)
Traffic on the highway passes a message displayed on a billboard that reads: "We Mourn 03.22.2024" in Moscow, Russia, Saturday, March 23, 2024, following an attack Friday, for which the Islamic State group claimed responsibility. Russian officials say more than 90 people have been killed by assailants who burst into a concert hall and sprayed the crowd with gunfire. (AP Photo/Alexander Zemlianichenko)
A massive blaze is 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. (Sergei Vedyashkin/Moscow News Agency via AP)
Bodies of victims are loaded into vehicles at the Crocus City Hall on the western edge of Moscow, Russia, Saturday, March 23, 2024, following an attack Friday, for which the Islamic State group claimed responsibility. Russian officials say more than 60 people have been killed and over 100 injured by assailants who burst into a concert hall and sprayed the crowd with gunfire. (AP Photo)
People react next to the Crocus City Hall, on the western edge of Moscow, Russia, Saturday, March 23, 2024. Russia's top state investigative agency says the death toll in the Moscow concert hall attack has risen to over 133. The attack Friday on Crocus City Hall, a sprawling mall and concert venue on Moscow's western edge, also left many wounded and left the building a smoldering ruin. (AP Photo/Alexander Zemlianichenko)
People lay flowers tributes outside of the Russian embassy in Paris, Saturday, March 23, 2024, following an attack Friday on the Crocus City Hall on the western edge of Moscow for which the Islamic State group claimed responsibility. (AP Photo/Christophe Ena)