Line of Duty fans go wild over throwback snap of Vicky McClure and PC Pilkington actor Gregory Piper

Line of Duty's Martin Compston plays a hilarious prank on Vicky McClure in backstage clip

Line Of Duty's Vicky McClure reveals Our Dementia Choir is now a registered charity

Line Of Duty's Vicky McClure is the 'class clown' and plays pranks on Martin Compston