Half-naked murder victim collapsed in the street

A terrified murder victim fled half naked from his flat into the street after he was stabbed at a drink and drugs party, a court heard. Grezgorz Pietrycki, 25, was heard screaming: ‘Why are you beating me, what have I done to you?’ shortly before he fled the house in Wood Green, north London, in just his boxer shorts. A knife wound had severed his carotid artery and his windpipe he managed to stagger 200 feet down the road before…