Local derbies are, and always have been, the lifeblood of professional football. They are the games that encapsulate everything that football means to the community in which they are based
Families and workplaces are divided by allegiance to their respective sides, and close friendships are put on hold for 90 minutes as two opposing footballing factions do battle on the pitch.
At times, deeper community divides come into play and divisions may spill over into conflict both on and off the pitch.
So, ahead of the coming meeting between Manchester clubs United and City, let's take a look at 10 of the best local rivalries in football.