Ukraine war latest: Russian assault on Kharkiv can't be ruled out, chief commander says
Key developments on March 29: * Russian assault on Kharkiv can't be ruled out, chief commander says * Syrskyi: 500,000 mobilization figure 'significantly reduced' * Zelensky: Russia targets Kaniv, Dnister hydroelectric power plants overnight * Romania says it found possible drone fragments on its territory following Russian attack on Ukraine * Defense committee considers