Detectives from the Major Crime Unit have launched a murder investigation after a man shot in Hoddesdon died in hospital.
Hertfordshire Police are continuing to appeal for witnesses and information, whilst specially trained officers are supporting his next of kin.
Officers were called to Ogard Road at 9.25pm on Tuesday (December 4th) after it was reported that the man - aged in his 20s - had suffered a gunshot wound to his face.
A 16-year-old boy from Broxbourne was today arrested on suspicion of murder.
Detective Chief Inspector Jerome Kent, who is leading the investigation, said: "A young man has lost his life in devastating circumstances. Our thoughts are very much with the victim's family during this absolutely tragic and distressing time and we continue to support them."
Ogard Road and parts of Castle Road remain closed whilst police investigate the incident and there continues to be a highly visible presence of officers in the area.
DCI Kent continued: "As part of our investigation, we would like to speak with anyone who was in the following areas between 9.15pm and 9.30pm on Tuesday: Ogard Road, Castle Road, Old Highway, Old Highway Recreation Ground Lee Road and St Cuthberts Road.
"Did you see what happened or a group of people in the area around this time? If so, please get in touch."
Anyone who has information in relation to this incident is asked to contact the BCH Major Crime Unit via the non-emergency number 101, quoting crime reference ISR 827 of December 4, or online at www.herts.police.uk/Report
Alternatively, you can contact the independent crime-fighting charity Crimestoppers anonymously on 0800 555 111 or through their Anonymous Online Form at www.crimestoppers-uk.org. No personal details are taken, information cannot be traced or recorded and you will never need to go to court.