Apologies for picture quality
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Funny one...doesn't really have the jizz of a Beris (more like an Empid), but does seem to have a tiny discal cell and scutellar spines, so Jeremy may be right.
Any more pictures?
My Flickr photos...
Sorry best I could get before it flew away.
Added another pic view but it is probably less helpful I think
Can't help thinking this is an Empid, but the wing venation is hard to make out, unfortunately.
Lat/Lng: 53.3930803, -2.813298
OS grid ref: SJ460887