A woman lays flowers at a makeshift memorial in Simferopol, Crimea, on March 24, 2024, as Russia observes a national day of mourning after a massacre in the Crocus City Hall that killed more than 130 people, the deadliest attack in Europe to have been claimed by the Islamic State (IS) group. (Photo by STRINGER / AF
A woman lays flowers at a makeshift memorial in Simferopol, Crimea, on March 24, 2024, as Russia observes a national day of mourning after a massacre in the Crocus City Hall that killed more than 130 people, the deadliest attack in Europe to have been claimed by the Islamic State (IS) group. (Photo by STRINGER / AF