How to React to a Digger

"I was at the park. My son too. Clients up high on this thing is like a slanted jungle gym kind of thing," he says. "And sure enough, he takes a step or whatever and just straight up falls to the ground." His wife had to grab her as she sat next to him; his daughter was far away. He's more like surprised and stunned and looking around almost with a look on his face. 'How should I react right now? That's exactly what he's doing'