Video: Strike on Russian frontline concert in occupied Donetsk kills 25 marines
Commander of Ukrainian aerial reconnaissance unit Birds of Magyar, Robert Brovdi said the Kyiv's forces had attacked the 810th separate brigade of the Russian Marines in 'revenge for the 128th Brigade'.
This refers to a 4 November strike by Russia on an awards ceremony near the frontline in which at least 20 soldiers from the 128th were killed.