On December 8th, two RNLAF F-16's, operating out of Malbork in Poland, intercepted two Russian Su34's. Video footage of the intercept was released yesterday:
http://theaviationist.com/2014/12/10/su-34-video-rnlaf/
See also:
http://sploid.gizmodo.com/close-encount ... 1670191799
Best wishes,
Jonathan