Correction: One dead, two hospitalised after music festival near Gosford, NSW

**Correction: An earlier media release incorrectly stated the 23-year-old man from Elanora Heights was located with 65 bags of cocaine. The correct alleged amount is six bags of cocaine**

Inquiries continue after a man has died and two people are being treated after taking an unknown substance at a music festival west of Gosford on Saturday.

The 22-year-old Queensland man was taken to Gosford Hospital about 8pm (Saturday 29 December 2018), but died a short time later.

Two other people, a man and a woman, remain in hospital being treated after ingesting an unknown substance and becoming sick after. They are reported to be in a stable condition.

An estimated crowd of 11,000 people attended the Lost Paradise Music Festival at Glenworth Valley, 20km west of Gosford, which started on Friday (28 December 2018), and continues until Tuesday 1 January 2019.

A total of 184 people and 97 vehicles have been searched during the police drug dog operation so far, with 50 people issued with Field Court Attendance Notices for drug possession. Seven cannabis cautions have been issued.

Three people have so far been charged with drug supply offences.

A 21-year-old man from Drummoyne has been charged after allegedly being found with 105 MDMA pills. He has been charged with supply a prohibited drug (indictable quantity), and possess prescribed prohibited substance.

A 23-year-old man from Elanora Heights was allegedly caught with 80 MDMA pills and six bags of cocaine. He was also charged with supply a prohibited drug (indictable quantity).

Both men are due to appear in Gosford Local Court on Friday 18 January 2019.

A 23-year-old man from Glendale was allegedly detected with 26 MDMA pills and was issued with a Field Court Attendance Notice for supply a prohibited drug. He is due to appear in Gosford Local Court on Tuesday 5 February 2019.

The police operation continues on-site, and inquiries into the death of the man are on-going.

Anyone with information about this incident is urged to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au. Information is treated in strict confidence.

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