Update, Nov. 19:
Johnson was located in Washington, D.C., safe and unharmed, according to police.
Original post, Nov. 18:
Montgomery County police are seeking the public's help in locating a 91-year-old man who went missing from the Calverton area of Silver Spring on Sunday.
According to police, John Johnson was last seen at a care facility at 2501 Musgrove Road around 12:30 p.m.
Johnson is described as 5' 8" 165-pound black male. He is said to be balding with gray hair on the sides of his head.
At the time he was last seen, police said Johnson was wearing a black hat, a black jacket with white pin stripes, and black sweat pants.
Authorities are asking anyone with information on Johnson’s whereabouts to call the Montgomery County Police non-emergency number at 301-279-8000.