Russian officials reported repelling more than 190 Ukrainian drones targeting Moscow early on June 18 2026 in what they described as the largest such aerial assault on the capital since the full-scale war began with several striking the Kapotnya oil refinery and causing multiple fires. The attack followed a similar strike two days earlier that had already halted operations at the facility which supplies much of the capital region’s fuel according to Moscow Mayor Sergei Sobyanin and a summary published by The Insider. Ukrainian forces reported intercepting the bulk of the incoming threats while Russian defenses claimed to have downed hundreds of drones across multiple regions that night and the previous evening.
The refinery sustained damage to its Euro+ processing unit for the second time in three days taking it offline according to industry sources cited by Reuters. The New York Times reported that the coordinated drone offensive brought the war home for Russian civilians with black smoke visible over the capital and debris falling in surrounding areas. Moscow officials acknowledged that several drones reached the refinery complex despite air defenses engaging the majority of the swarm.
On the Seversk front Ukrainian troops repelled a two-day Russian mechanized assault toward Slavyansk along the Siverskyi Donets river involving a tank three armored vehicles seven light vehicles and about 50 personnel the 81st Separate Airmobile Brigade reported. The Russian Defense Ministry claimed capture of a village east of Slavyansk but DeepState maps indicated Ukrainian forces retained control of most of the settlement according to The Insider. Ukrainian observers maintained that their positions around Lyman remained firmly under control despite Russian claims of near encirclement.
Russian forces continued accumulating troops south of Kupyansk with heavy fighting reported in several villages where Ukrainian supply lines relied on drones due to electronic warfare interference a Ukrainian military analyst told The Insider. In the Pokrovsk direction Russian units pressed attacks near Dobropillya but Ukrainian forces held key positions in nearby settlements per DeepState assessments cited in the report. Ukrainian authorities have accelerated the evacuation of industrial plants from Kramatorsk which lies 14 kilometers from the front line relocating them westward The Economist reported.
The Ukrainian General Staff denied any involvement in a reported strike on a bus carrying Belarusian children in Russia’s Bryansk region calling it a Kremlin information provocation according to The Insider. In a separate development the two sides conducted another exchange of fallen soldiers’ remains with Ukraine receiving 522 bodies and Russia receiving 33 The Insider reported citing official statements. Previous exchanges this year had involved larger numbers including transfers of 1 000 Ukrainian soldiers’ remains in April according to The Moscow Times.
The Netherlands announced a 500 million euro roughly 580 million dollar military aid package for Ukraine on June 17 focused on drones produced by Dutch companies and U.S.-sourced weapons the Dutch Defense Ministry said. The pledge brings the Netherlands’ total contribution to the U.S.-led PURL initiative to 1 billion euros according to the Kyiv Post. Dutch support for Ukrainian drone capabilities has now reached approximately 1 billion euros overall the government reported.
