1. ‘To have Richard Dormer back is a dream come true’: Blue Lights to see fan favourite return  belfasttelegraph.co.uk
  2. Major character set to return for season four of Blue Lights  BBC
  3. BBC’s returning police drama that ‘grips viewers’ confirms actor return – despite character’s death  Digital Spy
  4. Blue Lights series four plot revealed as filming begins in Belfast  belfastlive.co.uk
  5. BBC confirms Game of Thrones star to return for Blue Lights season 4 – plus more cast comebacks  Radio Times