It had darkened with terror. There was a new kind of fear that registered on his face. It was the fear of something he couldn't control. Something he badly wanted to get handle on but could barely.
He was pushing mum down the parking lot, steering her across and I made my way towards them.
"What's wrong?" I asked, worry crossing my face.
"What's wrong with Mum?" I asked insistently. "Why is she in a wheelchair?"