Good read:
http://www.theprovince.com/sports/hockey/canucks-hockey/years+after+trade+Zack+Kassian+Cody+Hodgson/9650714/story.html?utm_medium=twitter&utm_source=twitterfeed
I questioned that too. I was at that game.
Why does the league stop this one but not that one? Because it's not an on-ice incident like a skate blade? They've continued others when guys pass out (goalie comes to mind, can't remember name).