A man was treated in hospital after he was stabbed on a footbridge in Jarrow on Friday night.
The The 36-year-old victim was walking on the footbridge between Lukes Lane Estate and Featherstone Grove at about 6.50pm yesterday, when he was attacked by another man.
There was an altercation between the pair and the assailant stabbed the victim, causing wounds to his shoulder.
The offender left the scene and the victim was walking away when a member of the public came to his assistance and helped him to get to safety.
An ambulance took the injured man to the RVI in Newcastle and he was released following treatment.
The offender is described as a white man aged 45 to 47 years, 5 feet 8-9" tall, and of thin build. He was wearing a grey Everlast cap, black Adidas tracksuit bottoms, white trainers and a long, dark, calf-length woollen coat.
Police are appealing for witnesses and would also like to speak to the member of the public who came to the injured man's assistance as he may be able to help officers.
He is described as a white man aged late 40s to early 50s, 5 feet 8" tall, of medium build, with dark hair thinning on top. He was wearing a light blue shirt and black suit trousers.
Police are carrying out enquiries in the area and additional officers are on patrol to reassure the community.
Anyone with information should contact police on 101, quoting log number 1087 of 27/05/16 or ring the independent charity Crimestoppers on 0800 555 111.