A young man has been taken to hospital seriously injured after being stabbed in the back in Eastbourne.
It happened in Lushington Lane at around 5.40pm yesterday evening (Monday, 30).
The 21-year-old victim was taken to the Royal Sussex County Hospital in Brighton.
Police said his injuries were serious, but not life-threatening.
Officers said they are treating the incident as an isolated attack and are looking for a suspect.
Anyone with information about what happened is asked to contact Sussex Police via their website or by calling 101, quoting the reference number 1096 of 30/10.
Alternatively, contact Crimestoppers anonymously on 0800 555 111.