Rescue at second pullout?

On the way back to the car this afternoon just saw this helicopter just sitting in place for about 8-10 min (looked to be like feet from the rock )and a woman in the parking lot commented she thought she saw "someone come down a rope from it" when we stopped to look , had the point and shoot on me ...you can just make out two people there on the ledge. Saw it a second time just hovering toward the front of the park after we got out of the loop road , which then made me think training perhaps?

Anyone know if anything happened? and if so did the people end up being all right?

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Possible broken ankle, maybe some head trauma, sounds like a 20' fall around 10:30-11

man hope they end up being ok , sounds like they will be anyway.