I was watching (and, unfortunately, taping). Endless Moon is dead, euthanized, though I can't believe that was necessary. TVG said they wouldn't replay it because it was so bad. I only rewatched it trying to see if he got clipped or not; it was too close to the rail for me to tell what happened, but it looked like he took a misstep or got caught in something and went down into the somersault. Either way, Solis is lucky to be alive...it was like Rene Douglas with a MUCH better outcome.
Oh, they said the other horse walked away.