UPDATE: Katina Gerstein was located safe.
Police are searching for a 20-year-old Manassas woman who they believe may be in need of help.
Katina Nicole Gerstein was last seen at her home in the 10100 block of Parkview Drive in Manassas at 5 p.m. Sunday, Prince William County Police say.
Authorities believe Gerstein left her home voluntarily, but may be in need of assistance.
Gerstein is five feet tall and weighs 125 pounds. She has light brown/dark blonde hair and blue eyes. Police say she was last seen wearing dark pants, a brown shirt and glasses.
If you have seen Katina Gerstein, call police at 703-792-6500.