BROOKLYN - Police have issued a Silver Alert in hopes of finding a missing elderly man in Brooklyn. 

Authorities say 77-year-old Marcello Cedeno, who suffers from dementia, was last seen leaving Interfaith Medical Center on Atlantic Avenue Sunday. 

He's described as being 5 feet 9 inches tall and 160 pounds. 

Cops are also asking the public for help locating 59-year-old Lance Sullivan. He was last seen at around midnight Saturday at his home on Flatbush Avenue.