Russia-Ukraine Conflict Escalation

Russia and Ukraine engaged in deadly aerial attacks with Kyiv and Lviv being targeted. Poland says Russian missile violated its airspace. Ukraine denies involvement in Moscow concert hall attack. Ukrainian president accuses Putin of blaming Kyiv. Multiple missile attacks reported in Kyiv and Lviv. Poland on heightened readiness. Ukraine claims to have hit Russian landing ships and infrastructure in Crimea. Russia retaliates with air attacks on Belgorod and drone attack on Samara. Moscow escalates strikes on Ukraine's energy infrastructure.