A teenage model was allegedly stabbed to death 140 times by her jealous older sister who gouged her eyes out and cut off her ears. Stefania Dubrovina's corpse was found mutilated after her sister Elizaveta allegedly attacked her while high on drugs . <br><br>The 17-year-old model, who is well known in her native of St Petersburg, Russia, was killed in the flat of an unnamed man. Police said her eyes had been gouged out, her ears cut off and her body had been badly cut. <br><br> Elizaveta, 19, is in police custody on suspicion of murdering and mutilating her younger sister.
