UEFA used to have some daft ruLe that you had to be offered some tickets at least as good as those available to the home fans. So allocations involved two sections of away fans with one set housed without much protection bang in the middle of the home supporters. I have experienced this myself at a game in Slovenia. It can get a bit edgy, you are essentially using all the same facilities including toilets as the home fans. It suggests to me that this may have been a similar arrangement and that they used those ‘better’ seats for friends and family. Should Albion get into Europe, I would avoid those more expensive seats like the plague.They attacked the section with the players friends and family in it. Most of the other West Ham fans were at another side of the stadium.