Norfolk Police were called shortly after 7:.5pm following reports of a disturbance at Primrose Crescent. Officers arrived to find four people with injuries at the scene, with one man dying despite treatment from paramedics.
Police have launched a murder investigation following the death.
The others injured have been taken to hospital for treatment for suspected knife wound injuries.
Police said two men at the scene were arrested in connection with the incident and will be questioned in due course.
The scene has been cordoned off while police conduct their enquiries.
Superintendent Tracey Little said: “A murder investigation has been launched and we are in the early stages of our enquiries to establish the circumstances surrounding the incident.
“We would like to hear from anyone who may have witnessed the incident or has information concerning it.”
Anyone with information is asked to contact Norfolk Police on 101.