Bob Vylan's career may be in trouble following their controversial performance at Glastonbury, experts tell Newsweek. Over the weekend, the English punk rap duo sparked outrage at the music festival in the United Kingdom. During their set, they led crowds in a chant of "death, death to the IDF," referring to the Israeli Defense Forces.

The prime minister is involved; so is the U.S. deputy secretary of State. The BBC is changing policies. But Bob Vylan remains steadfast.

"We are for the dismantling of a violent military machine," the duo wrote on Instagram, days after chanting "death to the IDF" during their Glastonbury set over the weekend.