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.

Glastonbury officials released a statement Sunday denouncing by the chants and comments made by British punk and hip hop duo Bob Vylan Saturday.

British police are weighing an investigation after musicians Bob Vylan and Kneecap made anti-Israeli comments onstage at Glastonbury Festival.