Slaven Bilic says it hurts that a minority of troublemakers marred the first time the London Stadium felt like "home" for West Ham.
Coverage and updates from 15 manager news conferences ahead of the weekend's Premier League action.
Man City and Bournemouth get an 'A', but it is an 'E' for West Ham. Alan McInally's half-term Premier League grades...
West Ham vice-chairman Karren Brady says the club did all they could to prevent crowd trouble against Chelsea.
West Ham confirmed they are finalising the identification of 200 individuals involved in crowd disturbances against Chelsea.
The latest transfer news, with Man Utd reportedly tracking Celtic's Moussa Dembele after sending a scout to watch him in action.
See which referee your club has the best win percentage with in the Premier League...
Two of England's most local derbies will be shown live on Sky this week - but which two teams are closest to each other?
West Ham should play behind closed doors if the violent scenes of Wednesday's derby with Chelsea are repeated, an MP has said.
West Ham advanced to the quarter-finals of the EFL Cup after beating Chelsea 2-1 at the London Stadium on Wednesday.
Can Zlatan Ibrahimovic get back among the Man Utd goals? Will Man City rediscover their winning touch? 10 Premier League questions...
Chelsea to drop points? Man City to bounce back? Paul Merson returns with another round of Premier League predictions...
West Ham will take the "strongest possible action" after flyers with homophobic content were allegedly distributed on Wednesday.
Clashes between West Ham and Chelsea fans at the London Stadium on Wednesday will be investigated by the Football Association.
West Ham boss Slaven Bilic condemned supporters who clashed with Chelsea fans at the London Stadium.
Manchester United will host West Ham in one of two all-Premier League EFL Cup quarter-finals next month.
Watch highlights of Wednesday's EFL Cup ties, with Manchester United, West Ham and Southampton reaching the quarter-finals.
Recap all the action as West Ham beat Chelsea to advance to the quarter-finals of the EFL Cup.
West Ham manager Slaven Bilic will not instruct his players to remain calm when they play Chelsea in the EFL Cup.
Chelsea captain John Terry is fit to return to the side for the EFL Cup fourth-round trip to face West Ham.