Incident, Cairns

A police investigation is underway to determine how a woman sustained serious head injuries in Cairns this morning.

The woman, believed to be in her 30s was found unconscious in an external toilet at a business on Draper Street around 8am.

She has been transported to the Cairns Base Hospital in a critical condition.

A crime scene has been established and forensic police are currently examining the scene.

Anyone with information which could assist with this matter should contact Crime Stoppers anonymously via 1800 333 000 or crimestoppers.com.au 24hrs a day.

Crime Stoppers is a registered charity and community volunteer organisation working in partnership with the Queensland Police Service.

For all non-urgent police reporting or general police inquiries contact Policelink on 131 444.