UPDATE:
Just before 11am on October 11, 2018, police confirmed assistance was no longer required in the search for missing man Denis Jeffries.
A spokesperson confirmed Mr Jeffries is deceased of non-suspicious causes and police are preparing a report for the coroner.
South West Police are calling on the public's help in locating a 69-year-old man last seen riding his bike in Leschenault on Saturday.
Denis Jeffries was last seen around 12pm on October 6 while riding along Marine Drive.
He is described as 175 centimetres tall, medium build, fair skinned with a grey beard and moustache, receding grey/dark hair, and brown eyes.
Mr Jeffries is believed to have been riding a black and white Scott hybrid bicycle and wearing a light polo T-shirt, black shorts, purple and white sneakers, and bicycle helmet at the time.
Anyone with information about Denis’s whereabouts has been urged to contact Crime Stoppers on 1800 333 000.