A helper competes with dog 'Charlie of Greydon' of owner Zsolt Erdei, Jersey, during the IPO competition at the Belgian Shepherd World Championships in Halle (Saale), Germany, Thursday, April 27, 2017. IPO is a three part sport which includes tracking, obedience and protection phases. Dog sportsmen from 40 countries take part at the six different competitions until April 30, 2017. (AP Photo/Jens Meyer), APTOPIX