The teenager fatally stabbed in West Watford yesterday has been formally identified as Aqeel Khan.
The 18-year-old was found collapsed in Croxley View at around 4.20pm and rushed to Watford General Hospital in a critical state. He died shortly after from his wounds.
A 21-year-old man and two teenage boys, aged 15 and 16, have been arrested on suspicion of murder. The trio remain in police custody.
Detective Inspector Jon McAdam said: “Our investigations into this incident are continuing and further arrests have now been made.
“Aqeel’s family are being supported by specialist family liaison officers at this difficult time and I extend my condolences to them.
“I would to like renew my appeal for information. If you believe you witnessed the events yesterday afternoon, or have information which could assist the investigation, please contact police.”
Safer Neighbourhood Inspector for Watford, Nick Lillitou said: “This is an isolated incident for Watford, and it is not a common occurrence in the town and I’m sure the community of Watford will have concerns about what happened.
“We will have additional officers carrying out extra patrols in the area to provide reassurance to local people. If you do have any concerns or information you would like to share, please do speak to these officers.”
Anyone with information is asked to contact police via the non-emergency number, 101 or the independent charity Crimestoppers on 0800 555 111.