Russia advances as war in Ukraine sees Putin’s forces adopt new tactics amid uncertainty over U.S. support CBS NewsRussian guided bomb hits apartment building in Ukraine’s Kharkiv, injures 10 ReutersUkraine war briefing: Russian strike hits Kharkiv apartment block; Ukrainian troops quit Vuhledar The GuardianVideo Russia and Ukraine exchange strikes in overnight attacks ABC NewsRussian strike on Kharkiv: Zelensky calls on world leaders to be decisive Ukrinform