Popped in on a Wednesday night to see a band I kne...

Popped in on a Wednesday night to see a band I knew. Not very busy, but that's to be expected at that time. A decent pint of beer for me, prices average for area. Stage set up is pretty good, sound is excellent and plenty of room in front for leaping up and down / moshing. Sadly, we got pestered by a very annoying guy in an UnderArmour cap who seemed to be a regular, he tried to sell us drugs and just wouldn't go away. Told the long-haired barman, who sympathised and seemed to know the guy, but did nothing (he seemed to be the only member of staff in the place, no security in sight). In the end we told said guy to FO ourselves, which he did for a short time but then returned to annoy us yet more. He also bothered other customers. We left and never will I return to this venue. I thought London pubs were better at dealing with this sort of thing.