Russia kills 30 in Donbas strike; Zelenskyy vows response

A single Russian strike in Donbas killed 30 people, per Zelenskyy, who framed it as part of a broader effort to destroy life in the region. The attack continues an established pattern of high-casualty strikes; the specific target and weapon remain unconfirmed. This reinforces the ongoing attritional conflict and Ukraine's stated intent to retaliate.