A 23-year-old woman, identified as Delhi resident Anchal Arora, died at international band Skrillex's concert in Gurgaon on Sunday. The reason of her death has turned out to be suffocation in the post-mortem report. According to ACP (DLF) Ramesh Pal, the event organisers had an NOC for a crowd of 5,000 but the venue was congested with about 10,000 people.