German modern pentathlete Annika Zillekens had another Olympics to forget after almost falling in the semi-final on Arezzo de Riverland before the horse then refused to jump an obstacle on Saturday. The Berlin rider therefore just missed out on reaching Sunday’s final. At the Tokyo Games three years ago, her horse refused to perform and coach Kim Raisner was sent home after footage showed her punching the animal. Zillekens, then under her maiden name of Schleu, was also criticized in Tokyo for the way she used the whip and treated the horse. The scandal has led to officials deciding to remove …