LKS 20240324 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. LEHTIKUVA / AFP, AFP / LEHTIKUVA / OLGA MALTSEVA