Russian Offensive Campaign Assessment, June 4, 2026 | ISW
Ukrainian President Volodymyr Zelensky sent an open letter to Russian President Vladimir Putin on June 4 proposing an immediate ceasefire
understandingwar.orgwas seen at SPIEF to project strength a stable economy as Russia Day approaches, Zelensky's open letter proposing an immediate ceasefire along Ukraine's frontline and a possible face-to-face meeting; Analysis by ISW on June 12 warns of potential Oreshnik IRBM use toward Ukraine within 24-48 hours. Operational pauses and ongoing northern Sumy Oblast operations; domestic measures include labeling opposition groups and tightening controls ahead of elections. ISW's assessment also notes tensions at the front as authorities project strength.