British punk-rap duo Bob Vylan is facing a U.K. criminal investigation and potential U.S. visa revocation following chants against the Israeli military during their Glastonbury performance, which was broadcast live by the BBC on Saturday. The controversial act has sparked debate and drawn criticism. Irish-language rap group Kneecap is also reportedly under investigation in connection to similar actions or statements made during the festival. The investigations highlight the sensitivity surrounding political statements made by artists on prominent platforms and the potential consequences for their careers and travel.