Sheep stampede near Pongaroa, New Zealand, injures woman NEW Zealand's sheep are the butt of jokes overseas, but a woman on the nation's North Island has found they can also be dangerous. The woman was taken to hospital after suffering serious leg injuries in a sheep stampede while she was trying to muster a mob on a farm near Pongaroa, about 100km east of Palmerston North, today. She was taken on the back of a ute to the helicopter before being flown to Palmerston North Hospital.