Eagle-eyed viewers of BBC's Line of Duty were quick to share an apparent Trainspotting reference. 

In what many saw as a nod to the 1996 film starring Line of Duty's Kelly MacDonald, many viewers pointed out that the registration plate on the patrol car, 'B366 BAI'.

READ MORE: Line of Duty: Why we love the police corruption drama

HeraldScotland:

Macdonald plays this season's antagonist DCI Joanne Davidson.

The reference was seen by many as a reference to Begbie from the Danny Boyle hit. 

One user wrote "Surely a nod to Trainspotting in tonight's episode?