I missed the start of the fun, but here's some of the kerfuffle:
[video]http://www.youtube.com/watch?v=iEPE34qN2xc[/video]
At the very beginning of the video you caught what I believe was the tail-end of the Syer-Vaughan nose-to-nose (almost) shouting match. They had separated, and were coming together again when your video starts. You can then see one of the officials moving Vaughan away.
Another take on the handshake.
http://www.gocomics.com/bliss/2012/12/17#mutable_866828