Doberman pinscher Penny captures Westminster's Best in Show after excelling in agility and facing standout competitors from every group.

Penny, a Doberman pinscher, has won the US show dogs' most coveted prize after more than 2,500 dogs strutted their stuff.

Penny emerged victorious from a field of 2,499 dogs from more than 200 breeds, before a single judge selected him from the final group of seven canines.