Detectives are continuing to appeal for information to identify two people as part of an investigation where two teenage boys were stabbed outside Tesco in Brooks Road, Lewes, at around 11.15pm on Saturday, August 20.
There was a third victim who was also assaulted but was not stabbed.
Following the initial appeal on Friday, August 26, detectives have been pursuing multiple lines of enquiry.
Both people detectives would like to speak with are described as white and in their mid to late teens.
The first person was wearing a black zip up hoody with white sides, dark-coloured trousers and white trainers.
The second person was wearing a light-coloured hoody zipped up and a pair of light-coloured trousers with distinctive large dark-coloured pockets.
Detective Inspector Daniel Dugan said: “This was an incredibly serious assault which left the two victims with serious injuries. Our investigation remains active and are pursuing multiple lines of enquiry to identify these two people. We are progressing with forensic and CCTV enquiries while following a number of leads which have been reported to us.”
Anyone who has information which could help detectives with their investigation is asked to report it to police online or call 101 quoting serial number 1437 of 20/08.
Alternatively this information can be reported to the independent charity Crimestoppers anonymously by calling 0800 555111.