Editor's note: This story had an incorrect spelling for the first name of a missing 15-year-old girl. Her name is Arielle Renee Williams-Stevenson, not Ariella.
RALEIGH - A teenage girl from West Raleigh is still missing four days after the N.C. Department of Public Safety put out a Silver Alert for her.
Arielle Renee Williams-Stevenson, 15, was last seen at 720 Carolina Ave., off of Western Boulevard. She has dementia or another form of cognitive impairment, according to the Silver Alert.
Williams-Stevenson is identified as African-American, with brown, medium-length hair and brown eyes. She stands 5 feet 2 inches tall and weighs about 93 pounds. She was last seen wearing gray shorts and a black Adidas hooded sweatshirt.
The Department of Public Safety issued the Silver Alert for Williams-Stevenson on Thursday. Anyone with information about the teenagers whereabouts can call law enforcement at 919-831-6311.