Queensland Police have confirmed four adults have died this afternoon at a theme park on the Gold Coast.
Dreamworld CEO Craig Davidson confirmed the incident occured on the Thunder River Rapids ride and the themepark was working closing with police and emergency services to investigate this tragedy.
"We are deeply shocked and saddened by this, and our hearts and thoughts go out to the families involved and their loved ones," he said.
Queensland Ambulance Services spokesman Gavin Fuller confirmed two men and two women ranging from 32 through to their early 40's died after the ride 'sustained a malfunction'.
"One of the rides had sustained some sort of malfunction causing two people to be ejected from the ride," he said.
Dozens of emergency services staff attended the scene after the accident, which occurred just after 2pm on Tuesday afternoon.
Queensland Police released the following statement:
Police are currently investigating an incident that occurred this afternoon at a theme park on the Gold Coast.
Police were called to the site at Coomera around 2.20pm following reports that a number of people had been injured by a conveyor belt.
Four adults have been confirmed as being deceased.
Police and other emergency services remain on the scene and no further information can be released at this stage.
The Gold Coast attraction confirmed the fatalities in a statement this afternoon:
"Dreamworld is working as quickly as possible to establish the facts around the incident and is working closely with emergency authorities and police to do this.
Dreamworld’s focus and priority is with the families of those involved in this tragedy and will be providing an update to the public as soon as information becomes available."
Gold Coast mayor Tom Tate said it is a "very sad day for our city".
"Our thoughts are with the families of those affected – and the emergency staff in attendance," he told News.com.au.
"I urge everyone to show the respect needed as the relevant authorities undertake investigations in to what has occurred.
"A truly sad day for all."
Police were called to the site at around 2.20pm this afternoon. The park was evacuated shortly before 4pm as confirmation of the deaths came through.