ISW Russian Offensive Campaign Assessment, April 12, 2026

Latest from the Institute for the Study of War.

Key Takeaways from the ISW:

  • Both Ukrainian and Russian sources accused each other of limited violations of the Kremlin’s unilateral short-term, theater-wide ceasefire over the Orthodox Easter holiday on April 11 and 12.
  • Russian forces committed a war crime in Kharkiv Oblast, reportedly amid the Easter ceasefire on April 11.
  • Ukrainian forces recently advanced in the Kostyantynivka-Druzhkivka tactical area. Russian forces recently advanced in the Oleksandrivka direction.
  • Russian forces did not conduct any long-range drone or missile strikes against Ukraine on the night of April 11 to 12.

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