Gardai are this evening appealing for social media sharing of 52-year-old Cork man John Ryan, who has been missing for four days.
John was last seen around the Shanakiel area of the city.
He is described as being 5 foot 7 in height, of slight build, with blue eyes, grey hair, and a grey moustache.
Anyone with information regarding his whereabouts is asked to contact Gardaí.