Anyone ever heard of having a pet red fox?

At work today, I seen a couple bring in a small red fox on a leash and they let me touch him but I just wanted to know if it really is possible to have a fox as a pet.
Update: I'm in Dallas, TX and they brough the fox into a Petsmart. I touched it and it seemed like I was touching a dog that doesn't bark lol. I thought it was cool and so did the rest of the people there...
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