Pc Andrew Harper’s widow vows to keep fighting to increase killers’ sentences

Pc Andrew Harper was dragged to his death behind a vehicle (Picture: PA)Pc Andrew Harper’s widow has vowed to continue the ‘agonising battle for justice’ for her husband.Lissie Harper is awaiting the result of a bid by the Attorney General to increase the sentences of her husband’s killers.The policeman, 28, was caught in a strap attached to the back of a car driven by Long and dragged to his death down a winding country road.Henry Long, 19, was jailed for 16 years and 18