2 UFOs - Or 1?
The thing was dark but a deeper dark than the night and it had lights around it, they were yellow and created a haze rather than a beam, rather like disco lights.
He described the outline of the craft as resembling two 50 pence, 50p, pieces one above the other and connected by inward curving panels.
As it hovered it appeared to be reverberating. The word he used to describe the effect was purring, but there was no audible sound coming from it.