London punk-grime duo Bob Vylan are the subjects of a criminal investigation following their set at Glastonbury. This is the story behind the biggest talking point of this year's festival

Organizers of the Glastonbury Festival said Sunday they are "appalled" by the onstage statements of the punk duo Bob Vylan, whose singer led the crowd in a series of chants including "Death, death to the IDF" and "Free Palestine" the day before.