LONDON (AP) — U.K. police announced Monday that the weekend performances by rap punk duo Bob Vylan and Irish-language band Kneecap at the Glastonbury Festival are subject to a criminal investigation after they led crowds in chants calling for “death” to the Israeli military and chants of “Free Palestine.”

Today, Avon and Somerset police launched a criminal investigation into sets by bands Bob Vylan and Kneecap at Glastonbury festival on Saturday.

British police have announced that the weekend performances by rap-punk duo Bob Vylan and the Irish-language band Kneecap at the Glastonbury Festival are subject to a criminal investigation after they led crowds in chants calling for “death” to the Israeli military and a “free Palestine”.