Two men have been killed after a concrete panel fell on them at Eagle Farm Racecourse.
Seven ambulance crews and four fire trucks attended the scene, but the men were unable to be revived.
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Workers killed at racecourse
Two men are killed after an eight tonne slab of concrete falls on them at Eagle Farm Racecourse. 7 News Queensland
How the incident occurred was unclear late on Thursday but Workplace Health and Safety Queensland was en route to the scene to conduct investigations.
The racecourse is undergoing a multi-million dollar redevelopment and the area where the accident happened appeared to be where a number of in-track stables were being built.
Ascot: Two workers have been killed by a concrete slab on a construction site at Eagle Farm Racecourse. https://t.co/nSuyV5d0gs #7News pic.twitter.com/nyO6eTwWk0
— 7 News Queensland (@7NewsQueensland) October 6, 2016
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Two people were reported to be trapped after a concrete wall collapsed at Eagle Farm Racecourse.
Queensland Fire and Emergency Services and Queensland Ambulance were on scene after receiving the initial call just before 4pm on Thursday.
There are reports at least two people were trapped under concrete panels that collapsed on the site.
A spokeswoman for Queensland Fire and Emergency Services said a crane on site was being used to help lift the concrete panels to obtain access to the injured people.
A spokeswoman for Queensland Ambulance said there were two patients, however the extent of their injuries is unknown.
The incident came nine days before the Brisbane Racing Club's hugely popular Spring Racing Carnival, with the first four race days to be held at Eagle Farm.