Reckon That Runner's Running From Sheep

After all, they are quite the terrifying beasts, are they not?

This week Casey's on the run again, and this time he's attempting to escape the grasp of these white bundles of fluff. But where in the world might he be now? In his submission of this photo, he gave us all a hint when he said "Sure beats the traffic on Oxford Street!"

UK audience, the pressure's on. Guesses go in the "Comments" section below, and the answer will come out on Friday.