Arsenal press conference live: Mikel Arteta on Aubameyang captaincy, Martinelli and West Ham

Mikel Arteta is set to face the press ahead of Arsenal's Premier League clash with West Ham at the Emirates on Wednesday night.The Gunners face a London Derby at what could be a crucial time of their season as they attempt to cement their Champions League place credentials.David Moyes' side have been one of the surprise packages in the league this season and currently sit fourth, but Mikel Arteta will know his side can leap frog them with a victory.He goes into the game however, facing dealing with plenty of controversy after Pierre-Emerick Aubameyang was left out of Saturday's win over Southampton due to a "disciplinary breach."Gary Neville's brutal Arsenal transfer assessment proven wrong as Edu's summer signings hit form'Biggest flop!' - Arsenal fans urge Edu to sell £72m signing in January transfer windowThis is not the first time the Gabon international has been guilty of such an incident and has led many to question whether he will be able to continue as the Arsenal captain.You can follow every word Arteta has to say on the issue with football.london's Arsenal writers Kaya Kaynak, Chris Wheatley and Tashan Deniran-Alleyne in the live blog below.