10 hours ago Marcus White and Allen Sinclair, South of England BBC Lissie Harper and Geraldine Winner unveiled the memorial earlier A memorial to a police officer, whose death on duty led to tougher sentences for the killers of emergency workers, has been unveiled by his widow. PC Andrew Harper was dragged for a mile by a tow rope loop on a fleeing car after confronting quad bike thieves in a country lane near Sulhamstead, Berkshire, in 2019. Three teenagers later received custodial sentences of between 13 and 16 years for manslaughter. His widow Lissie Harper told an unveiling ceremony in Reading: "The world lost a hero, but I lost the person I was meant to grow old with." Family photo PC Andrew Harper, from Wallingford, was dragged by a car after confronting quad bike thieves in 2019 Mrs Harper, who was married for just 28 days before his death, added: "He was proud to serve as a police officer, but to me he was so much more. "He was my partner, my strength and my first love.…