The Atesh partisan group set fire to a signal cabinet that helps control traffic on a railway line near the Russian-occupied city of Yasynuvata in Donetsk Oblast, a route used for Russia's military logistics, the group claimed on Telegram on June 28.

Yasynuvata lies some 22 kilometers (12.5 miles) from the occupied city of Donetsk and is considered to be a major railway junction in the region.

According to the group, the sabotaged section is located near Russian military units, warehouses, and industrial facilities.

Atesh said the attack disrupted the delivery of a train carrying fuel for Russian forces.

"On Ukraine's Constitution Day, we remind the occupiers that this is an independent and free country. And Donetsk will always be Ukrainian," the statement read.

The Kyiv Independent could not verify these claims.

The Atesh partisan group regularly conducts sabotage attacks in Russia and Ukraine's Russian-occupied territories.

In early June, Atesh claimed to have destroyed a signal cabinet on the new Volnovakha-Mariupol railway, which had been recently built by occupying Russian forces.

Ukraine war latest: Ukrainian drones reportedly strike 4 fighter jets in Russia

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The Kyiv IndependentThe Kyiv Independent news desk

Ukraine's security service (SBU) is teaching teenagers how to avoid recruitment by Russian intelligence online, the New York Times (NYT) reported on June 21.

"Maybe not all of these special operations are reported in the media — but believe me, the enemy is not sleeping... They are working actively and carrying out illegal activities, as strange as it may sound, directly inside your phones," SBU spokesperson Roksolana Yavorska-Isaienko told students.

Approximately 22% of Ukrainians recruited by Russian intelligence to conduct sabotage or terrorist attacks are minors, Artem Dekhtiarenko, SBU spokesperson, said on April 2.

Russian intelligence attempts to recruit Ukrainian civilians online, offering easy money in return for sharing sensitive data or preparing sabotage or terrorist acts.

Russian intelligence finds its recruits using social platforms, including Telegram, Discord, and TikTok.

Unsuspecting teenagers are often offered hundreds or even thousands of dollars to conduct simpler tasks such as delivering packages or taking photos of energy sites, the NYT reports.

More serious tasks are commonly assigned to teenagers once they have been blackmailed for conducting less serious operations beforehand or when their phones are hacked to reveal compromising photos.

Russian intelligence is actively attempting to recruit Ukrainian nationals for illegal operations across the EU, Ukraine's military intelligence agency (HUR) said on June 2.

"The recruitment of Ukrainians for hostile operations in Europe is yet another tool of hybrid aggression that the Russian Federation is waging against Ukraine and the entire European community," HUR said.

The SBU caught a Russian agent as he was filming a military airfield in preparation for a Russian strike, the agency reported on June 15.

The Russian Federal Security Service (FSB) recruited the unemployed 24-year-old via the Telegram messaging app to collect coordinates for air attacks on airfields and logistic depots, the SBU said.

The Russian FSB allegedly offered "easy money" and instructed the recruit to find military facilities and carry out reconnaissance on the ground.

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The Kyiv IndependentKate Tsurkan

Ukraine’s military intelligence (HUR) ignited an electrical substation during a sabotage operation in the Russian city of Kaliningrad, causing $5 million in damage and cutting electricity to a military production site, a source in HUR told the Kyiv Independent.

In the early hours of June 14, Ukrainian agents drained the coolant from the substation’s power transformer before setting the facility on fire. The inferno inflicted major damage on the facility and caused a power cut, impacting nearby Russian military sites.

"We once again remind you that Russia no longer has a rear either in the east, in the west, or anywhere else on the planet. Everything Russian involved in the war against Ukraine will burn, sink, and be destroyed regardless of its level of protection or location," the source said.

Ukraine continues to carry out numerous secretive attacks within Russia and occupied Ukrainian territories, targeting military sites, like airfields, as well as key infrastructure like railways and oil refineries.

The attacks involve HUR, Ukraine’s Security Service (SBU) as well as partisan and sabotage groups.

HUR was behind explosions near Desantnaya Bay in Russia's far eastern Vladivostok on May 30, which reportedly damaged military personnel and equipment. The operations took place approximately 6,800 kilometres from the Ukrainian border, making it Ukraine's furthest incursion into Russian territory, if confirmed.

On June 1, the SBU launched Operation Spiderweb, a game-changing drone attack on four key Russian military airfields, damaging 41 planes, including heavy bombers and rare A-50 spy planes.

Ukrainian drones destroy Russian air defense systems in occupied Zaporizhzhia Oblast, military intelligence says

Ukraine’s military intelligence (HUR) destroyed three Russian air defense systems using drones in the occupied Zaporizhzhia Oblast on June 14, HUR says.

The Kyiv IndependentVolodymyr Ivanyshyn