Police are appealing for information after an assault in the Horndale area of the town.
The incident happened at around 5.30pm on Sunday (19th April), when a man suffered serious head injuries after the alleged assault outside Horndale Post Office.
Police say a number of people were in the area at the time.
Anyone with information is asked to please contact D/Sgt Graham Low of Newton Aycliffe CID on 101, or private message the police on Facebook by clicking here.