Several women fell ill during Saturday’s concert, amid media reports that GHB – known in Hungary as “gina” – may have been slipped into their drinks. Young women collapsed one after another at Budapest concertIn response to questions from the newspaper, Budapest police said investigators had already interviewed several witnesses and were seeking to establish the full circumstances of what happened. The organisers of the Sziget Festival also responded to the reports on Sunday evening. They said that the DJ OTI production was not part of the programme of the Sziget Festival. It is often added to the drinks of young women, but its use carries serious risks: it can cause respiratory failure and, in the worst cases, death, Blikk reported.