UPDATE 8:46a.m. : Niwdeika Diaz was found around River Street unharmed, according to Waltham officials.
Authorities in Waltham, Massachusetts, are searching for a missing teen girl that was last seen on Friday night.
Niwdeika Diaz, 14, has Asperger Syndrome and police say that she will likely run away if confronted.
She went missing aroud 10:30 p.m. around Jackson and Central streets.
According to officials Diaz was last seen wearing a black t-shirt with white sleeves, blue jeans, and black sneakers.
The photo that police shared was just taken before she wandered away from the area alone.
Police are asking that is anyone has any information or possible sightings to please contact Waltham Police at 781-314-3608.