Well, as hockey arena's get older, we've seen them start to fall apart, take the Saddle-Dome for instance, where the Calgary Flames play, that place is falling apart at the seams and it looks like it's not alone.
Yesterday, Rogers Arena, the home of the Vancouver Canucks played host to UFC 289, during a fighters entrance, fans went leaning over to tap the fighter as is customary and the barricade collapsed; take a look:
First in Calgary, now this. Someone needs to make sure these arenas are safe for fans to attend events at, it seems we're seeing more and more of this as time goes on.