Ukrainian forces struck a Russian Svetlyak-class border patrol ship in occupied Crimea, as well as a gunpowder plant and military storage facilities inside Russia, during operations carried out on June 3 and overnight into June 4. — Ukrinform.

Ukraine's Defense Forces struck the Ilsky oil refinery, a Pantsir-S1 air defense system, and a Russian vessel in temporarily occupied Crimea. — Ukrinform.

Ukraine struck Russian military targets across occupied Crimea and Donetsk Oblast overnight, including two Pantsir air defense systems and a command post.