The BBC has said it regrets not pulling the live stream of Bob Vylan's Glastonbury set, during which a band member shouted "death to the IDF" - as Ofcom said the broadcaster has "questions to answer". A spokesperson for the corporation said the remarks by frontman Bobby Vylan were antisemetic and "utterly unacceptable", and the performance should have been taken off air. It came as media watchdog Ofcom said it was "very concerned" about the stream, which showed the rapper leading chants of: "Free, free Palestine" and: "Death, death to the IDF (Israel Defence Forces)" at Glastonbury's West Holts Stage...