UPDATE: Alondra Melendez has been found unharmed, police say.
Police are searching for a missing teen who walked away from a hospital in Frederick, Maryland, Monday.
Alondra Melendez, 15, was last seen leaving Frederick Memorial Hospital around 4:40 p.m. Monday, Frederick police said.
It is unknown if she was a patient in the hospital or was just visiting.
Melendez is described as 5 feet, 7 inches tall and weighing 120 pounds. She has brown curly hair and brown eyes.
She was last seen wearing a grey hooded sweatshirt, black sweatpants and Converse sneakers.
Anyone who spots Melendez is asked to call the Frederick Police Department at 301-600-8477 (TIPS).