Taylor Swift has said she is "completely in shock" after two children died and six other youngsters were left in a critical condition following a deadly knife attack at holiday club themed on the singer.A 17-year-old boy, who cannot be named for legal reasons, remains in custody accused of murder and attempted murder following the incident in Hart Street, Southport, on Monday.The fully booked club for children, which was advertised as a dance and yoga workshop as well as bracelet-making, quickly

Taylor Swift has said she is "completely in shock" after two children died and six other youngsters were left in a critical condition following a deadly knife attack at holiday club themed on the singer.A 17-year-old boy, who cannot be named for legal reasons, remains in custody accused of murder and attempted murder following the incident in Hart Street, Southport, on Monday.The fully booked club for children, which was advertised as a dance and yoga workshop as well as bracelet-making, quickly became something "like a horror movie", witnesses to the deadly stabbings have said.