Wouldn't be surprised at all bogtrotter, the first fox I saw kept as a pet lived on a sheep farm, it was never allowed into the family home though, it had a comfy bed in an outhouse.
It was a smart little blighter, better trained in terms of tricks than most pet dogs that I've seen.
I think JL is daft to bring an urban fox into her living space, I'd reckon most urban foxes are loaded with more pathogens than a rural fox, and quite likely with nastier bugs too given all the crap they eat.
I'm not saying wipe them out, they have their place, it's just not in the family home