Update, 3:40 p.m.: Allen Klein, who had been reported missing from the Speonk/Remsenburg area, has been located.
Originally, 3 p.m.: Police are searching for an 82-year-old man who went missing from the Speonk/Remsenburg area on Thursday.
Allen Klein was reported missing from his home at about noon, according to Southampton Town police. He was described in an alert as a “vulnerable adult.” He was last seen wearing a light blue shirt, black short, sandals and a medical alert bracelet.
A Suffolk County police helicopter has been assisting in the search by air. Several other departments are also looking for Klein.
Anyone who has possibly seen Klein has been asked to call Southampton Town police at 631-728-3400.