Marks & Spencer, York

An article by Joanna Moorhead in The Guardian on 26 October 2011 tells us that 'Over at Coppergate Shopping Centre, site of a Viking fort, it seems an archaeological dig has disturbed spirits that had been lying dormant for centuries. And now, Mark [Graham] reports, they're back with a vengeance: doors in various shops have been mysteriously wrenched off their hinges; and Marks & Spencer seems to have unwittingly recruited shelf-stackers from "the other side", and the regular staff have had to get used to goods being moved overnight from one part of the store to another.