On the huge, neon blue mat in the middle of the Hyatt Regency’s ballroom, chaos ensued. Dozens of pups in brightly colored singlets, knee pads, puppy masks, and tails, were frolicking on all fours, ...

Pup play is making waves in Europe, prompting police and lawmakers alike to look more closely at the hobby of acting like a dog. It's a scene mostly made up of men who put on leather or neoprene dog ...