This was reported in the Ministry of Defense.
“Fighter aircraft of the Russian Aerospace Forces in the areas of the settlements of Rivne and Grodovka of the Donetsk People's Republic shot down Su-25 and MiG-29 aircraft of the Ukrainian Air Force,” the ministry said in a statement.
In addition, a Ukrainian Mi-8 helicopter was shot down near the village of Verolyubovka.
On January 8, the Russian Ministry of Defense announced that the Russian Aerospace Forces had shot down five planes of the UAF militants in a day.