DETECTIVES have renewed their appeal for help in their investigation of an armed robbery.

The attack happened at the Harrowgate Hill post office, North Road, Darlington, at about 3pm last Thursday.

A masked man, brandishing what is thought to be either a knife or a blunt instrumentthreatened staff and escaped with a large amount of money.

Described as over 6ft tall, and wearing a bright yellow, hooded jacket, the man made off behind North Road, and possibly through North Road Cemetery.

Anyone who has information about the incident should contact Darlington police on (01325) 467681