Mandurah Detectives have charged a 72-year-old man from Falcon after a firearm was discharged last night.
The man has been charged with unlawful act with intent to harm, threats to kill, being armed in a way that may cause fear, discharging a firearm to the danger of or to cause fear to the public.
Police were called to Merrin Court about 7.30pm in relation to concerns about the wellbeing of the man.
It is believed a firearm was discharged inside the residence.
The circumstances surrounding the firearm being discharged are being investigated.
The man was taken to the Peel Health Campus for a health assessment.