UPDATE: Cassandra Smith has been located.
Thank you to everyone who shared the information.
Pittsburgh Police Special Victims Unit detectives are searching for a missing and at risk 17-year-old.
Cassandra Smith was last seen in the area of the Pittsburgh Science & Technology Academy on Thackeray Avenue in Oakland at 1 p.m. on September 14.
She is 5'0", 150 pounds, with brown curly hair and brown eyes. She has several nose piercings and was last wearing a dark gray, long-sleeved hoodie and light blue jeans.
Anyone with information is asked to call 9-1-1.