Editor's Note: Read an updated version of this story here.

The New Jersey State Police activated an Amber Alert shortly after midnight on Friday for a 20-month-old believed to have been abducted by her father.

The Old Bridge Police Department is investigating the alleged child abduction, which authorities say took place in Old Bridge on Thursday, Dec. 15 at 4:30 p.m.

The toddler, Sophia Trapp, is white with blue eyes and brown hair, according to the alert. She is 2 feet tall and weighs 20 pounds.

Her father, Anthony Trapp, is a 39-year-old with brown eyes and brown hair, according to the alert. He is 6 feet 4 inches tall and weighs 210 pounds. Authorities say Sophia Trapp was last seen at her father’s residence at 10 Rose Lane in Old Bridge.

Anthony Trapp may be driving a 2011 red Nissan Rogue with New Jersey license plate C59BPB.

Old Bridge police could not be immediately reached for comment.