Detectives are appealing for information and witnesses following an incident in Chingford during which three men were stabbed.
Police were called to reports of a fight at Broad Oak Close, E4 at 0500hrs on Friday, 27 March.
Officers attended the scene and found three men, aged in their mid-20s, suffering stab injuries. They were taken to hospital and discharged later that day.
A 28-year-old man - not one of the three taken to hospital - has been arrested and released on bail.
Officers are actively making enquiries and request anyone who witnessed the incident or with information to make contact with DS Walls on 07747 780610 or via 101 reference 759/27Mar.
To remain anonymous please contact Crimestoppers.