Russian infiltration

ISW refutes Russian claims of trapping Ukrainian forces in Kostyantynivka

The presence of Russian troops in Kostyantynivka, Donetsk Oblast, does not indicate that the Ukrainian Defense Forces are encircled in the city center, the Institute for the Study of War (ISW) wrote on June 4.

5 June, 10:48 AM

Russian desperate gas pipe infiltration tactics fail in Sumy Oblast

A treacherous attempt by Russian invaders to infiltrate through a gas pipeline in Sumy Oblast failed, the communications department of Air Assault Forces' 71st Separate Airmobile Brigade said in an interview with NV on April 29.

1 May, 08:35 AM

Ukraine halts Russian encirclement effort near Pokrovsk

Ukrainian counterattacks on the Dobropillia axis are disrupting Russian attempts to encircle Pokrovsk, even as Moscow’s forces push into some districts in the town, the Institute for the Study of War (ISW) wrote on Nov. 3.

4 November 2025, 10:16 AM

Kupiansk remains under Ukrainian control despite Russian infiltration attempts

Kupiansk in Kharkiv Oblast remains under Ukrainian control, the General Staff of the Armed Forces of Ukraine said on Sept. 28.

29 September 2025, 10:15 AM

Russian infiltration