Iran, Belarus accused of assisting Russian war crimes

 ISW:

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Current and former US officials confirmed to the New York Times on October 18 that members of Iran's Islamic Revolutionary Guard Corps (IRGC) are in Russian-occupied Crimea to train Russian forces on how to use the Iranian drones they purchased, thereby enabling likely Russian war crimes.[5] ISW had assessed on October 12 that any Iranian personnel in Ukraine were likely IRGC drone trainers.[6] The New York Times reported that it remains unclear whether Iranian trainers are flying the drones themselves, or merely teaching Russian forces how to do so. Russian forces have directed dozens of Iranian-made Shahed-136 drones against civilian targets in Ukraine since mid-September, prioritizing creating psychological terror effects on Ukrainian civilians rather than achieving tangible battlefield effects.
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Belarus continues to provide its territory and airspace to support the Russian invasion of Ukraine but remains highly unlikely to enter the war on Russia’s behalf. The Ukrainian General Staff reported on October 18 that Belarus continues to allow Russia to use Belarusian military infrastructure and airspace to launch missile, air, and Shahed-136 drone attacks on Ukraine.[11] Geolocated social media footage shows Russian military hardware moving through Belarus by rail, which is consistent with ISW’s previous assessments that Belarus will continue to engage in the war as a co-belligerent without Belarusian forces directly participating in combat operations.[12] The Russian Armed Forces are almost certainly too degraded to reopen a northern front against Ukraine from Belarusian territory in the coming months. The Ukrainian General Staff also noted that Belarusian Armed Forces are conducting covert mobilization under the guise of training sessions, although mobilization in Belarus is likely an attempt by Belarusian President Alexander Lukashenko to demonstrate his support to Putin rather than a tangible indicator of Belarusian military involvement in Ukraine.[13]
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This is another indication of how attrited the Russian military is not only in troops but also in military resources.  It does appear to have some rogue allies willing to contribute to its aggression against Ukraine.