People enjoy sunset from a pedestrian bridge at the Zaryadye Park in central Moscow on March 22, 2024. (Photo by Olga Maltseva/AFP Photo)





Lit candles forming the words "We mourn. 22.03.2024" are placed outside the Crocus City Hall concert venue on the day of mourning declared following a deadly shooting, in the Moscow Region, Russia, on March 24, 2024. (Photo by Maxim Shemetov/Reuters)





A man suspected of taking part in the attack of a concert hall that killed 137 people, the deadliest attack in Europe to have been claimed by the Islamic State jihadist group, is escorted by Russian law enforcement officers prior to his pre-trial detention hearing at the Basmanny District Court in Moscow on March 24, 2024. At least 137 people, including three children, were killed when camouflaged gunmen stormed the Crocus City Hall, in Moscow's northern suburb of Krasnogorsk, and then set fire to the building on March 22 evening. (Photo by Tatyana Makeyeva/AFP Photo)





Dalerdzhon Mirzoyev, a suspect in the shooting attack at the Crocus City Hall concert venue, sits behind a glass wall of an enclosure for defendants at the Basmanny district court in Moscow, Russia on March 24, 2024. (Photo by Shamil Zhumatov/Reuters)





People mourn at the Crocus City Hall concert venue following a terrorist attack in Krasnogorsk, outside Moscow, Russia, 25 March 2024. (Photo by Maxim Shipenkov/EPA/EFE)





Mukhammadsobir Faizov, a suspect in Friday's shooting at the Crocus City Hall, sits in a glass cage in the Basmanny District Court in Moscow, Russia, Sunday, March 24, 2024. (Photo by Alexander Zemlianichenko/AP Photo)





Flowers are placed on the roadside in front of the burnt-out Crocus City Hall following a deadly attack on the concert venue on the outskirts of Moscow, Russia on March 26, 2024. (Photo by Evgenia Novozhenina/Reuters)





In this pool photograph distributed by the Russian state agency Sputnik, Russia's President Vladimir Putin visits the 344th Army Aviation Centre of aircrews combat training and transition in Torzhok in the Tver region on March 27, 2024. (Photo by Mikhail Metzel/Pool via AFP Photo)





Police officers check a person outside the Oktyabrsky Concert Hall, amid heightened security measures, prior to the concert of the rock group “Picnic” in St. Petersburg, Russia, 27 March 2024. The Russian rock band Picnic was due to perform on 22 March at the Crocus City Hall, where at least 139 people were killed and more than 180 hospitalized after a group of gunmen attacked the concert hall in the Moscow region, according to Russian officials. (Photo by Anatoly Maltsev/EPA/EFE)





A man wearing a shirt with an image of Russian President Vladimir Putin looks through a window as police guard the area around the Oktyabrsky Concert Hall, amid heightened security measures, prior to the concert of the rock group “Picnic” in St. Petersburg, Russia, 27 March 2024. (Photo by Anatoly Maltsev/EPA/EFE)





Military cadets walk in front of the Oktyabrsky Concert Hall, amid heightened security measures, prior to the concert of the rock group “Picnic” in St. Petersburg, Russia, 27 March 2024. (Photo by Anatoly Maltsev/EPA/EFE)





A police officer (2-L) checks a man at the entrance to the Red Square amid tighten security measures in the wake of a terrorist attack at the Crocus City Hall concert venue, in Moscow, Russia, 27 March 2024. (Photo by Yuri Kochetkov/EPA/EFE)





Police officers on patrol amid tighten security measures in the wake of a terrorist attack at the Crocus City Hall concert venue, in Moscow, Russia, 27 March 2024. At least 139 people were killed and more than 180 hospitalized after a group of gunmen attacked the concert hall in the Moscow region on 22 March evening, Russian officials said. Eleven suspects, including all four gunmen directly involved in the terrorist attack, have been detained, according to Russian authorities. (Photo by Yuri Kochetkov/EPA/EFE)





Police officers keep watch near the Red Square amid tighten security measures in the wake of a terrorist attack at the Crocus City Hall concert venue, in Moscow, Russia, 27 March 2024. (Photo by Yuri Kochetkov/EPA/EFE)





Police officers guard the Red Square amid tighten security measures in the wake of a terrorist attack at the Crocus City Hall concert venue, in Moscow, Russia, 27 March 2024. (Photo by Yuri Kochetkov/EPA/EFE)





Antonina Favorskaya stands in a glass cage in a courtroom in the Basmanny District Court in Moscow, Russia, Friday, March 29, 2024. A court in Moscow makes a decision on measure of restrain to journalist Antonina Favorskaya in the case of her connection with the FBK, the Anti-Corruption Foundation set up by Russian opposition leader Alexei Navalny in 2011 and declared extremist and closed in 2021. (Photo by Dmitry Serebryakov/AP Photo)





A man walks past an overflowing trash can next to skyscrapers of Moscow International Business District, also known as Moskva-City, in Moscow, Russia on April 2, 2024. (Photo by Maxim Shemetov/Reuters)





A man pulls a rubber boat carrying a woman with a cat through a flooded street after part of a dam burst, in Orsk, Russia on April 7, 2024. State media say Russia's government has declared the situation in flood-hit areas in the Orenburg region a federal emergency. The floods, caused by rising water levels in the Ural River, forced over 4,000 people, including over 800 children, to evacuate, the regional government said. (Photo by Anatoly Zhdanov/Kommersant Publishing House via AP Photo)





Police officers stand guarding an area as people use rubber boats in a flooded street after part of a dam burst, in Orsk, Russia on April 7, 2024. (Photo by Anatoly Zhdanov/Kommersant Publishing House via AP Photo)





Women stand at a bus stop next to an advertisement for military conscription showing a Russian soldier, in Moscow, Russia, 08 April 2024. According to Russian Defence Minister Sergei Shoigu, almost 540 thousand people entered military service under contract in the Russian Armed Forces in 2023, and about 50 thousand since the beginning of 2024. (Photo by Yuri Kochetkov/EPA/EFE)