[Fitzy_888]

That appears to be someone filming a video monitor with a cell phone. Surveillance cameras don’t generally move as if hand held.

[maggief]

“That appears to be someone filming a video monitor with a cell phone. Surveillance cameras don’t generally move as if hand held.”

I agree.

Here’s another video source.

http://sacramento.cbslocal.com/2015/10/08/cbs-news-france-train-hero-spencer-stone-stabbed-in-critical-condition/

UPDATES: (11:35 a.m.): Surveillance video showing the fight that injured Spencer Stone has been released. The video can be seen below: