 This is Washington's news traffic and weather station, WTOP. WTOP News. It's 821. A northern Virginia man is demanding answers after his dog died while being boarded at an area PetSmart. More from WTOP's Kyle Cooper. Andrew Knowles dropped his dog Clark at the Potomac Yard PetSmart for boarding on June 27th. Two days later, he tells NBC4 he got a disturbing phone call from a local veterinarian.