T he BBC issued a formal apology after broadcasting a controversial performance from the rap-punk group Bob Vylan at England's Glastonbury festival. Bob Vylan — outspoken critics of Israel's war on Gaza — led its crowd at last weekend's festival in a chant of "Death to the IDF," or Israel Defense Forces.

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