BILLERICA — A 17-year-old girl was reported missing after leaving her residence Friday morning and entering a white minivan Uber, police said.
Ava Zipps was last seen at approximately 5:30 a.m. Aug. 29 getting into the vehicle parked outside her home.
She is described as a white female, 5 feet 4 inches tall, weighing 100 pounds with brown hair and brown eyes…