19-year-old woman Alex Ross-King has died of a suspected drug overdose after attending Sydney’s FOMO festival in Parramatta on the weekend.

Sunrise host David Kochie has commented on the event, and lashed out against Gladys Berejiklian over the issue of pill-testing, accusing her of being a hypocrite and saying it could help prevent festival deaths.

Ms Berejiklian has taken a firm stance against introducing pill-testing, despite the fact that five people have died from a suspected drug overdose at a NSW music festival in just four months.