Haha...it was a Hare, plenty of them about.
Yes it's naughty now, i filmed it years ago when the Blade 350qx came out, the security guard asked me loads of questions as he had never seen a 'drone' before.
My flying club is just up the road, about a mile as the crow flies and during the week we courtesy call air ops to let them know we are flying, i fly most friday afternoons and they let us know if there's any full size activity over the weekend and she said it was clear all weekend.