Police are investigating a disturbance at Woodridge this morning.
Around 11.45am officers responded to reports of a man creating a disturbance and threatening paramedics at a residence on Station Road.
Initial inquiries indicate the man confronted police with knives when an officer discharged his firearm.
The 72-year-old man sustained a gunshot wound to his right shoulder and was transported to the Princess Alexandra Hospital where he remains in a critical condition.
Ethical Standards Command is investigating the incident with overview by the Crime and Corruption Commission.
If you have information for police, contact Policelink on 131 444 or provide information using the online form 24hrs per day.
You can report information about crime anonymously to Crime Stoppers, a registered charity and community volunteer organisation, by calling 1800 333 000 or via crimestoppersqld.com.au 24hrs per day.