UPDATE: Police report Daniel Peralta has been located and is safe.

HERNDON, Va. (CBS19 NEWS) -- A Critically Missing Adult Alert has been issued for a missing man in Herndon.

According to police, 26-year-old Daniel Antonio Peralta was last seen around 6:10 p.m. Wednesday on the 400 block of Elden Street.

The Herndon Police Department says he is not familiar with the area, and his disappearance poses a credible threat to his health and safety.

Peralta is considered endangered due to a physical and/or mental health condition for which he needs medication that he has not taken.

He is described as a white man who is 6-foot-2 and weighs 250 pounds. He has brown eyes and black hair.

Peralta was last seen wearing a blue t-shirt, dark shorts, red and blue mismatched socks, and black shoes.

Officials believe he is on foot.

Anyone with information on Peralta’s whereabouts is asked to contact the Herndon Police Department at (703) 435-6846.