I have just tunnelled back into my garden from theirs. Unfortunately they have retired inside. I can hear the delicate screams as they swear and glug Lambrini.
I will make further attempts to gain photographic evidence as the night progresses.
The mere whiff of my manly charcoal burning bought out these sorts. No doubt telephone numbers will be pushed through my letterbox later. Can't really blame them, a proper BBQ'er AND a Rock