Police called to reports that a group of men brandishing weapons threatened a resident of a Norwich road.
Officers were called to the disturbance in Elizabeth Fry Road at about 10pm on Tuesday, May 20.
Police said the man who said he was threatened challenged the four men, causing them all to flee the scene.
Four people, aged 16, 19, and two aged 17, were arrested on suspicion of affray, and questioned and released on bail.
Anyone with information is asked to contact PC Kyle Gray at Wymondham Police Investigation Centre on 101 or call Crimestoppers anonymously on 0800 555 111.
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