Police say 14 people have been detained this year on suspicion of trying to throw items to inmates.
County of England
Northamptonshire is a ceremonial county in the East Midlands of England. It is bordered by Leicestershire, Rutland, and Lincolnshire to the north, Cambridgeshire to the east, Bedfordshire, Buckinghamshire, Oxfordshire to the south, and Warwickshire to the west. Northampton is the largest settlement and the county town.