((Apologies for waiting so long; was hoping llama!Sam would respond, but we can maybe pick him up later.))

"I am not entirely certain, my dear," Aziraphale said, relieved that the little robot was handling the situation calmly. "Fromw hat I heard, some of the residents had found what they thought might be a way out of the park, and they were going to create a ruckus and try to distract the invisible guardians so they could get through. I don't know what they did, exactly, but I am guessing they've had some success." He took her little hand and squeezed it gently. "Are you all right? The noise hasn't frightened you?"