A missing senior citizen alert has been issued for a 77-year-old man who has been diagnosed with Alzheimer's disease and Sundowners syndrome.

Gilberto Hurtado is a Hispanic man with gray hair and a mustache. He stands 5-feet-4-inches tall and weighs 130 pounds.

Hurtado was last seen in the 5800 block of Mossy Cup Court in Loveland at around 2 p.m. on Thursday, December 26, 2013.

He was last seen wearing a navy blue, fur lined zip-up sweat shirt, black jeans and dark brown shoes. Hurtado has a cut over his left eye from a recent fall.

Anyone with information is asked to call the Larimer County Sheriff's Office at 970-567-4863.