The suspect is identified as 20-year-old Marquel May.
The search began at approximately 4:15 p.m. Thursday when members of the Cecil County Drug Task Force attempted to stop a vehicle on Old Baltimore Pike in the area of South College Avenue in Newark. That's when, police say, May fled from the vehicle.
Police are concentrating their search to Welsh Tract Road in the area of South College Avenue.
Delaware State Police, New Castle County Police, Newark Police, and other agencies are conducting the search.
K-9 teams and Delaware State Police Aviation Helicopters have been brought in to assist.
May is described as a black male, approximately 5'9" tall, 150 pounds, and was last seen wearing a white t-shirt and jeans.
He is considered armed and dangerous.
Anyone with information is asked to call 911.