When an attack on Moscow’s concert hall happened killing more than 130?

a) March 20, 2024

b) March 22, 2024

c) March 24, 2024

d) March 25, 2024

More than 10 terrorists armed with latest automatic guns entered a concert hall in outskirts of Russian capital Moscow on 22-03-2024 evening. They killed more than 130 people. it was worst attack in Russia since 2004.