Fans at the front of Manchester United’s Stretford End singing section face a 75% risk of a catastrophic accident when celebrating a goal – according to an explosive, previously unpublished report into standing in seated areas at Old Trafford.

Manchester United have welcomed Trafford Metropolitan Borough Council's decision to lift their threat to close parts of Old Trafford because of persistent standing.

Sir Alex Ferguson has appealed to Manchester United fans to sit down at Tuesday's Champions League match against Sturm Graz.