Deadly strikes hit Ukraine, Russia border

[Collection]Deadly strikes escalate aerial attacks in Ukraine and Russian border region. Kyiv urges speedier Western weapons shipments as Russia vows to step up strikes. Russian city of Belgorod targeted by Ukrainian strike. Kyiv calls for air defence equipment, combat drones, and long-range missiles. Ukrainian President discusses attacks with White House National Security Advisor. Residential buildings hit, casualties reported in Kyiv and northeastern Kharkiv. Polish and F-16 fighter jets scrambled to protect airspace. UN human rights chief calls for immediate de-escalation. Germany and UK pledge support.