- ISW: Russia accumulates grouping in Sumy Oblast to draw Ukrainian soldiers from other fronts
- Russian morning attack on Chuhuiv in Kharkiv Oblast injures seven people
- ISW: Russia rattles nuclear weapons to sway Western policy
Massive Russian strike on energy grid prompts widespread power cuts across Ukraine
Ukraine implements comprehensive power cuts in most oblasts after Russia launched 210 missiles and drones on the energy infrastructure across the country.