A man who lured a police officer into his barricaded flat before launching a knife attack has been jailed.Former martial arts instructor Barry Hartshorn, 29, had called police on the evening July 24 from his flat in Lisson Grove, Mutley, demanding to be see a police officer.To convince the police he claimed he was suffering from mental health problems.However, in an unusual twist, he would only allow the officer to enter through a window at his home.An officer – unaware the door to the...
