In a Facebook post at 8am on Sunday, he shared an old photo featuring his mother, Josephine Starmer, and wife, Victoria Starmer, with the caption: “Thinking of my late mum today, who so influenced me ...

Starmer said he had watched the drama -- in which a 13-year-old boy stabs a girl to death after being radicalised on the internet -- with his own teenage children and that it had "hit home hard".