WARNING: Embargoed for publication until 00:00:01 on 13/04/2021 - Programme Name: Line of Duty S6 - TX: n/a - Episode: Line Of Duty - Ep 5 (No. n/a) - Picture Shows: *NOT FOR PUBLICATION UNTIL 00:01HRS, TUESDAY 13TH APRIL, 2021*  DI Steve Arnott (MARTIN COMPSTON) - (C) World Productions - Photographer: Steffan Hill