Images have appeared on Twitter which seem to suggest that at least one Syrian Air Force Sukhoi Su-22M4 is active again and taking part in that country's civil war
No serial is visible on the aircraft and it is impossible to verify when and where the images were taken.
Check out this new pic of SyAF Su-22m4 , just recently got very active again ,each armed with 6 bomb pic.twitter.com/tK18WLbeFM
— SyrianMilitaryCap. (@syrianmilitary) February 22, 2016