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 BBC has issued a formal apology over Bob Vylan's controversial Glastonbury performance, claiming the London alt-rap duo was deemed "high risk."

Hip Hop / Punk group Bob Vylan performed at the massive Glastonbury Fest. During the performance, Pascal Robinson-Foster, who performs under the name Bobby Vylan, led a chant of "death, death to the IDF [Israel Defense Forces],