The FA has said it is investigating Manchester United defender Rio Ferdinand's injury after being hit in the hear by an object throw from the crowd. A statement on the FA website read:
The FA is investigating the incident in which an object was thrown from the crowd and hit Rio Ferdinand following Manchester United's third goal against Manchester City on Sunday.
The FA will liaise with Greater Manchester Police and await the reports of both our crowd control advisor who was present at the game and the match referee.
More top news
A 61-year-old woman was taken to hospital with head injuries after the incident in Islington, north London.
Counting will begin on Saturday morning, with the result expected later in the day.
There have been a number of incidents involving heavy goods vehicles getting stuck and causing disruption in recent months.