POP star Jessie J has told of her shock following the death of a fan who was brutally stabbed at her London gig last week. Phillip Sherriff, 37, a father of two, had been hospitalised in a critical condition after he was attacked with a glass bottle in Pulse nightclub, where the Price Tag hitmaker had performed earlier in the evening. He passed away due to his injuries on Sunday morning. After hearing the sad news, the singer took to her Twitter.com page to send condolences to Sherriff’s grieving family.                     –WO