Unconventional tactics and possible internal sabotage are creating additional hazards for Russian troops beyond direct engagement with Ukrainian forces.
Hundreds of Ukrainian institutions evacuated after receiving terrorist threats via email after RFE/RL's investigation exposed Russian intelligence recruitment of Ukrainians for arson attacks on military vehicles.
A NATO air base in Germany has escalated its security level and sent non-essential staff home following intelligence indicating a potential threat. On 23 August, the security level at NATO Air Base Geilenkirchen has returned to a lower risk level, Bravo+.
Ukraine's Security Service say it uncovered a Russian spy network operating in three regions, involving current and former law enforcement officers. Two suspects were arrested in Mykolaiv for gathering intelligence on military positions and critical infrastructure. They face life imprisonment if convicted.
A fire erupted at a Trans-Siberian Railway substation in Mariinsk, Siberia, halting train traffic for two hours. The incident's cause is officially attributed to a technical malfunction.
Germany has issued an arrest warrant for a Ukrainian diving instructor ostensibly linked to the 2022 Nord Stream sabotage, with two accomplices believed involved; the suspect, last known in Poland, may have fled to Ukraine, but no ties to the Ukrainian government have been found.
Six residents of Odesa are accused of burning 15 cars belonging to the military at the behest of Russian intelligence services. They face up to eight years in prison.
Ukraine's SBU and National Police arrested a suspected Russian saboteur in Kyiv. The local resident was allegedly planning arson attacks on Ukrainian Railways strategic facilities, aiming to disrupt defense forces' logistics.
Investigative journalists expose how Russia's GRU recruited Baltic locals for sabotage, including a firebomb attack on a military facility in Kyiv, as detailed in court documents.
Ukraine is planning to strengthen control in the Kharkiv Oblast, as border guards are setting up additional observation posts and increasing the number of response teams due to Russian infiltration attempts.
Russian military intelligence, the G.R.U., is behind arson attacks in Europe aimed at undermining support for Ukraine’s war effort, security officials say.
Ukraine's military successfully disrupted an attempt by a Russian sabotage group to infiltrate the country in the area of Pylna village, Kharkiv Oblast.
Apart from railway sabotage, the Russian Military Court also charged Serhii Karmazin with espionage, training in sabotage and terrorist activities, and preparation for a terrorist act, while denying him access to a human rights lawyer during the investigation.
The Latvian prosecutor's office has charged a Latvian citizen with traveling to Ukraine to commit an act of sabotage, the LETA news agency has said. The suspect is currently in custody.