Arsenal's UEFA Europa League home fixture against PSV Eindhoven, scheduled for Thursday 15 September, has been postponed.
The decision follows liaison between UEFA, the Metropolitan Police and the Gunners, after the passing of Her Majesty Queen Elizabeth II.
Arsenal's match with Manchester City on Wednesday, October 19 could be the game to make way. While the League Cup clash with Brighton in the week commencing November 7 could be another possibilty.
Arsenal said in a statement: "We are working with the authorities to reschedule the match and any tickets (including those purchased via Ticket Exchange or received via Ticket Transfer) and/or hospitality packages purchased for this fixture will be valid for the rescheduled date.
"For any season ticket holders who have sold their ticket via Ticket Exchange or transferred their ticket via Ticket Transfer, your ticket will remain inactive for the rescheduled date."
Arsenal add that if supporters have any additional questions, please contact their Fan Services Team by calling +44 (0) 20 7619 5000.
Their opening hours are 930am - 5pm, Monday to Friday.
Arsenal added: "We apologise for any inconvenience this may cause and share our thanks for your support and understanding."