Russia are claiming 2 Mig 29 and 2 SU25 shot down this week, all be it without the usual video evidence.. Lets hope if true the pilots lived to fight another day, though I highly doubt Russian claims bearing in mind they have shot down the Ukrainian AF several times over.
Ironically, by announcing such they are actually supporting the argument by Ukraine that they need the F-16 to replace them, whether true or not.