Love rival stabs woman's ex-boyfriend after he turned up at her house

A love rival who went to the house of a woman for late night 'fun' after swapping 'flirty messages' online stabbed her ex-boyfriend to death when he turned up at the property.Father Sam Siviter, 35, was knifed three times - including once through the heart - by Kai Sainz-Stafford, 24, at a property in Shrewsbury, Shropshire.Sainz-Stafford, of no fixed address, had arrived at Mr Siviter's ex-girlfriend Hannah Cottrell's home at around 10.15pm on May 1 this year, after they had exchanged messages online.A court heard Mr Siviter's mother, Glynis Taylor, who was in the kitchen, may have called her son to tell him another man was at the house with his ex.Less than an hour later, Mr Siviter arrived at the property and he and Sainz-Stafford - who had not met previously - had an altercation.A court heard Sainz-Stafford grabbed a knife which was hidden down the sofa and stabbed Mr Siviter three times.