A home guard, Sagar, killed a 19-year-old girl Venkatalakshmi in Yousufguda in Hyderabad for rejecting his love proposal. With the support of two others, he slit her throat in jewellery shop on Monday where she was working. She was alone in the shop when they attacked her. The cops arrested the key accused while he was fleeing after committing the crime. Sagar is working as a home guard in Warangal and the deceased hails from East Godavari district. Parents of Venkatalakshmi said that the accused was harassing the deceased for the last six months.