A Russian woman overcome by envy has been jailed for 13 years for the brutal murder of her 17-year-old model sister. Elizaveta Dubrovina, 22, stabbed sibling Stefania at least 189 times, severing her right ear, a court in St Petersburg ruled. Jealous of her sister’s looks, she knifed her 'vital organs' and gouged her eyes, according to reports of the case. Elizaveta was found guilty of 'murder with particular cruelty' ...