[pa_dweller]

In this shot it looks as if the main spillway is breaking down. Earlier shots, when engineers were inspecting the damage showed the sidewalls still intact.

[WildHighlander57]

At 2:19 of the YouTube video, see that long stretch of “wall”?

that is where the water was coming —over— in the periscope vid (h/t maggief for posting!!)

https://www.periscope.tv/w/1mrGmeVBkqdGy

That’s what they are saying will fail.