When the teenager was arrested for an alleged public order offence a couple of days later, he was taken to Forest Gate police station where he was kept, with his hands cuffed in front of his body, in the cage area into which Mr Harrington walked.

BBC: Met PC Joseph Harrington 'stamped on boy's back'

The ruling, by governing body the FIA, may have put a full stop on the "crash-gate" scandal but there was nevertheless a tangible sense of frustration among the F1 fraternity as they returned to the scene of the crime.

BBC: F1 returns to scene of the crime