Ukrainian forces struck Russian energy facilities and military infrastructure overnight Friday, Kyiv’s general staff said in an operational update.
Drone and missile salvos targeted refineries, substations and depots that feed front-line units in eastern and southern sectors.
Russian regional governors acknowledged fires at two industrial sites while air-defense teams claimed intercepts over multiple oblasts.
Energy analysts said repeated Ukrainian deep strikes aim to raise domestic fuel costs and complicate Moscow’s logistics ahead of a anticipated summer offensive.
Civilian power interruptions were reported near military-industrial plants, though both sides dispute collateral impact counts.
The exchange occurred as diplomats floated new ceasefire proposals that battlefield commanders have so far ignored.
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Sources:
https://understandingwar.org/research/russia-ukraine/russian-offensive-campaign-assessment-june-13-2026/