Update, 4.30pm: A 75-year-old man who went missing after he took off on a walk from his Willetton home this morning has been found.
Police said they were very concerned for the welfare of Dongcheng Cai, who was last seen about 6.30am.
Mr Cai requires medication for an ongoing illness. He is of Chinese ethnicity and speaks very limited English.
He was found safe and well this afternoon.