RIO ARRIBA COUNTY, New Mexico - (Editor's note: A 'possible suspect' has now been arrested, but the girl remains missing. Click here for those details.)
An Amber Alert has been issued for a 5-year-old girl from northern New Mexico.
According to New Mexico State Police, Renezme Calzada was last seen Sunday in Rio Arriba County.
Renezme is four feet tall and weighs 35 pounds. Photos released by authorities show her with long, dark hair and brown eyes.
She was wearing blue shorts with stars and a Disney Frozen shirt, authorities said.
The Rio Arriba County Sheriff's Office said it has "urgent concern" for the girl -- but did not release additional information about the search, saying many details remain unknown.
Anyone who has seen Calzada is asked to call authorities in Rio Arriba County at (505) 753-5555.
Rio Arriba covers more than 5,800 square miles (15,270 kilometers) in northern New Mexico, stretching from the county line north of Santa Fe to the Colorado border.