NORWALK - A Norwalk stable that houses horses for show competitors lost its main source of revenue today after the roof of the indoor riding arena unexpectedly collapsed.

The owner of Silvermine Farm, Ken Markosky, says he's trying to figure out how to maintain the health of dozens of horses and satisfy nearly two dozen customers following the collapse, which was caused by this winter's record-breaking snow buildup.

Markosky says no horses were hurt and that his insurance company will cover the roof collapse, but he has no idea when the riding arena will be back up and running.

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