It was lunchtime on a Tuesday, a mild day in the early spring, the kind of March afternoon when it feels like winter might finally be loosening its icy grip. All across the city, school children were cheerfully heading home for their midday meal. But one boy was about to be caught up in an unexpected drama. As the student cycled along St. Clair West, a horse suddenly came thundering down the road, out of control, a wagon wildly bouncing along behind it, no driver to be seen.