UPDATE: Police say Jennifer has been found and is safe.
A previous version of the story appears below:
Police say 12-year-old Jennifer Fuentes-Meza was last seen around 3 p.m. in the 11400 block of Ridge Heights Road.
Jennifer is described by police as 4-feet-6-inches tall with brown eyes and brown hair. She was wearing jeans and a gray backpack and is considered endangered due to her young age.
Anyone with information is asked to contact police at 703-691-2131.