The search for a missing West Windsor boy believed to have been abducted by his grandfather on Friday evening is now centered on several locations in Brooklyn.

West Windsor Police Department and the Mercer County Prosecutor’s Office's Child Abduction Response are began their search for 5 year old David Lundy who was last seen at 6:30PM on Friday night in front of his home at 465 Meadow Road in West Windsor Township. New Jersey State Police say the search is focused on several areas  of Brooklyn that have been "deemed relevant to the case."

There is also concern because of a  "pre-existing medical condition which requires the regular administration of medication," according to police.  It's not known if he has medication with him.

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The Mercer County Prosecutors Office, FBI, NJ State Police, Mercer County Sheriff's Department and the National Center for Missing and Exploited Children are all working on this case. All of West Windsor Emergency Service volunteers are searching locally.

David is described as a light-skinned African American boy, approximately 3’4” and weighing 55 pounds. David was last seen wearing a white and green shirt and blue cargo shorts. He is further described as having short, sandy hair.

The grandfather, Morris “Tommy” Lundy, age 50, of New York, is described as an African American male, 5’ 10”, 180 pounds, long black hair and hazel eyes. He is believed to have shaved his head recently.

Anyone with information concerning this matter should contact the West Windsor Police Department at (609) 799-1222.