Here is a video with some graphics to help see what is going on.

Look for it when the camera pans and you can see the glow in the crowd where the fireworks are going off. You can see that the rocket style fireworks on the cable stopped on the side closest to us but the ones on the back side continued. We believe it is those fireworks that were supposed to be going down the cable went into the crowd instead.

This was the big grand finale at the end of the show when Undertaker defeated Edge.