U.K. police have officially launched a criminal investigation into Bob Vylan and Kneecap's Glastonbury performances from this past weekend.

Rap duo Bob Vylan is under fire for voicing 'antisemitic sentiments' at the U.K.'s Glastonbury Festival, after leading the crowd in chants of 'free, free Palestine' and 'death, death to the IDF.'

The United States has revoked visas for members of Britain's Bob Vylan punk-rap duo after they led chants during their set at the Glastonbury music festival in England over the weekend that the State Department and the BBC,