A 17 year old boy’s in a stable condition after he was stabbed in Southend.
The incident happened in Windermere Road on Friday.
Detectives say they are treating this as an isolated incident and do not believe there is a further risk to the wider public.
Witnesses or anyone who was in the area at the time and saw any suspicious behaviour is asked to contact Southend CID on 101, quoting reference 42/137388/18.
Information can also be given completely anonymously to independent charity Crimestoppers on 0800 555 111 or online at crimestoppers-uk.org/