Harrowing footage has been released showing paramedics trying to resuscitate a young partygoer at the deadly Knockout Festival in Sydney – as new photos show what the event was really like.

Two men died while six other revelers ended up in hospital after attending the event at Sydney Olympic Park on Saturday night.

Mr Lee is pictured with his friend Joey Hungg at his birthday party five weeks ago.

A festival-goer sitting in the grandstand shared images of festival first responders and medical staff providing first aid to a sick reveler protected by a sheet.

They are surrounded by hundreds of partygoers, most of them oblivious to the medical emergency unfolding just meters away.

NSW Ambulance has not yet confirmed to Daily Mail Australia whether the images are of Mr Lee.

However, Australians who attended the festival claimed the man being treated had died.

“My friend was right next to him. This is the guy who died,” one wrote.

Other shocked revelers recalled seeing paramedics treating other festival-goers after the mercury rose above 35C earlier in the afternoon.

“The number of people I have seen being carried on stretchers and put into ambulances is ridiculous,” one wrote.

Another added: “It was our first rave last night and I couldn’t believe how many times towards the end of the show people were being dragged around on ambo carts.”

A third wrote: “My friends and I had to help a guy who was rolling in the dirt until the doctor came because security refused to touch him or treat him like a human.” Be careful.’

The Knockout Outdoor festival attracted 53,000 people, including 27 charged with drug possession and four with supplying illicit substances.

Jason Lee, 26, died after attending the festival.

Mr Lee called his friend Julia An and asked her to come meet him around 11:44 p.m. Moments later, he collapsed, was rushed to hospital in critical condition and died.

Another festival attendee, aged 21, later collapsed at a hotel in George St, Chippendale. He was rushed to St. Vincent Hospital and died.

He was rushed to St. Vincent Hospital where he also died.

NSW Police are investigating whether Mr Lee or the unnamed 21-year-old man had taken drugs before their deaths.

“This is not specifically a suspected drug overdose,” Det. Supt. Simon Glasser to journalists.

“We are looking at all avenues. Anything could have happened.

Despite this, Superintendent Glasser issued a warning about the dangers of consuming illicit substances at festivals.

“It shows that people can die at music festivals,” he said.

“Drugs can have horrible consequences. When you mix that with yesterday’s heat, it’s an additional risk factor that can have detrimental effects.

Two men in their 20s died after attending the Knockout Festival at Sydney Olympic Park

Advocates have renewed calls to introduce pill testing at music festivals after a tragic start to the festival season. It is not suggested that anyone photographed has consumed any illicit substances.

Many revelers took off their shirts as temperatures topped 30 degrees. It is not suggested that anyone photographed has consumed any illicit substances.

Medical and emergency personnel were captured and rendered aid to a partygoer who collapsed at the Knockout festival on Saturday night.

Thousands of music fans converged on the Sydney Showgrounds for the Knockout festival. It is not suggested that anyone photographed has consumed any illicit substances.

Revelers have echoed renewed calls from advocates for the NSW government to introduce pill testing at music festivals similar to the ACT.

Some have reported seeing festival-goers taking multiple drugs at once due to the presence of drug dogs at the festival.

Other partygoers have come forward to report a bad batch of drugs circulating around Sydney.

“(I) noticed the quality was worse than usual, but also that suppliers were diverting sex drugs for profit, and then shit like this happens because our government refuses to allow testing of pills,” one person wrote. .

The two festival-goers lost their lives during the first weekend of the Sydney festival season, launched by Knockout.

The same evening, across town, another 27,000 people attended the Listen Out festival at Centennial Park, where a number of revelers were also treated by paramedics.

The NSW government has been urged to introduce pill testing in the hope of preventing more deaths this festival season.

Jennifer Ross-King broke down in tears as she expressed her condolences to the men’s families.

She lost her own daughter Alex, 19, who tragically died of a drug overdose while attending the FOMO festival in Sydney’s west almost five years ago, in January 2019.

A coronial inquest later found she died of MDMA poisoning after the teenager ingested two capsules before entering the Parramatta venue so she would not be arrested by police .

The Knockout Festival in Sydney (revelers pictured) kicked off the city’s festival season. It is not suggested that anyone photographed has consumed any illicit substances.

It is not suggested that anyone photographed has consumed any illicit substances.

“I am very sorry for the families of the two young people who died,” Ms Ross-King told reporters emotionally on Monday.

“I am so sorry that you are now in the same situation as me and so many other families are unnecessarily.”

She made a powerful appeal to New South Wales Premier Chris Minns.

“I am begging you to make changes now, so no one else loses their child,” Ms Ross-King pleaded.

Green MP Faerhmann added: “It’s incredibly frustrating that governments don’t seem to act unless there’s a crisis, but all they’ve done after the crisis is committee reports and then not following up on the recommendations.”

“It’s going to be a very hot summer and it’s going to be a very dangerous summer unless Chris Minns takes action.”

But Health Minister Ryan Park said pill testing would not be a silver bullet to stop deaths or serious harm linked to illicit drug use.

“We all have a role to play in this space, but no single initiative will provide complete coverage and ensure everyone returns home safely,” he said.

Alex Ross-King died while attending FOMO at Parramatta Park in January 2019