Six teenagers remain in custody after two men in their 20s were attacked in East Sussex - one of them sustaining serious stab wounds.
The incident happened on Friday at about 10pm on Queen's Parade in Hangleton, Hove.
Police said the victim who was badly wounded was taken to hospital but his injuries are not said to be life-threatening.
Three 15-year-old boys and three 16-year-old boys, all from Brighton & Hove, are being held by police.
Officers are appealing for witnesses.