Ukrhydroenergo, Ukraine’s main hydropower generation company, has said that four oblasts will suffer short-term water supply problems due to the destruction of the Kakhovka Hydroelectric Power Plant (HPP) and the spillage of the reservoir, and Crimea will not receive water for at least a year.
They could always just surrender. Might be less risky than fighting.
That’s what we’d hope, though they might be shot by their officers if they try.