Ukrainian forces clear Russians from Kharkiv Oblast village
Ukrainian troops gain upper hand in Kupyansk, Syrskyi says
Wave of ‘sudden’ electrical fires hits strategic sites across Russia — NV sources
Russian troops infiltrate Kupyansk, battles erupt in Pokrovsk – expert
Russians do not control any district of Kupyansk – Ukrainian commander
210th Regiment drives out Russian saboteurs in Zaporizhzhya Oblast
Ukrainian border guards thwart two Russian sabotage attempts in 2025
Adverse weather and terrain aid Russian sabotage and reconnaissance groups in northern Ukraine
Ukraine tightens border security in Sumy Oblast amid rising Russian threats
No breach at Sumy border, but Russian saboteur activity persists — State Border Guard Service
Ukrainian military eliminating remnants of sabotage group in Kharkiv Oblast border village
Ukrainian border guards thwart Russian sabotage attack in Kharkiv Oblast
Professional Russian reconnaissance groups operate along Ukrainian border in Sumy Oblast
Russia has sabotage groups active in Sumy Oblast in advance of possible opening of new frontline
Ukrainian forces repel Russian sabotage group in Kharkiv Oblast
Majority of Russian sabotage groups recorded in Sumy Oblast - National Guard
Kyiv strengthens defenses against Russian missile threats and saboteurs