Arsenal Football Club has released the following statement:

"We are aware of the problems our travelling supporters had on Wednesday night and in particular their late arrival at the game. We are very disappointed for our fans that they had a difficult evening but the circumstances were beyond our control. We have launched an investigation to work out precisely what happened."

Copyright 2014 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source 12 Dec 2013