A huge BBC drama is set to announce its comeback within a matter of days. Fans have been waiting on tenterhooks to see if another series will be released, and now the cast have finally aligned their schedules to make it happen. The BBC are said to be gearing up to confirm Line of Duty will be back on screens for a seventh series. Fans have been urged to keep an eye out for any online announcements that will be followed by TV teaser trailers. The police drama has been a smash hit with fans as it