Russian forces launched overnight strikes across Ukraine, hitting residential buildings and infrastructure, and causing casualties in several regions. An air raid alert was declared in Kyiv at 00:19 a.m. on Tuesday, with explosions heard around 1 a.m., according to Kyiv Post correspondents. JOIN US ON TELEGRAM Follow our coverage of the war on the @Kyivpost_official . Mayor Vitaliy Klitschko confirmed that air defense systems were active and urged residents to remain in shelters. As of this