A man in his 40s was airlifted to the hospital after he fell two storeys at a construction site in Clayville.
ER24 paramedics arrived on the scene to find the man on the ground surrounded by his colleagues.
Medics assessed the man and found that he had sustained a significant head injury and was in a critical condition.
The man was treated and provided with several advanced life support interventions before he was airlifted by a private medical helicopter to a nearby hospital.
The details surrounding this incident are not yet known.