Rational arguments for:
Her dress touched me as she ran out of the shop.
They ran out of the shop and got on a bus.
The Bride spoke to the verger - I am not the only person who has witnessed this. (And I don't think that a verger would lie.)
I have recorded the events on my phone and anyone can see for themselves. (Link to follow.)
Rational arguments against:
No reported sightings.
No-one has contacted me even though, as seen in my film footage, many other people should have had seen them.
I don't know how they got into the bookshop. It was very bizarre.