Police have identified the 17-year-old boy died in a fatal stabbing that occurred in Chingford, east London, on Monday as Chima Osuji.
At 9:21 p.m., police were alerted about a stabbing on Longshaw Road; they were there with paramedics three minutes later.
Despite their best efforts, first responders were unable to save Chima.
His family members have been notified.
Three juvenile guys, including a 14-year-old, have been detained.
Detectives have identified the victim as Chima before a formal identification is made, according to the Metropolitan Police.
Chief Superintendent Simon Crick said: ‘This is a tragic incident and I am devastated that a young life has been lost as a result of knife crime.
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‘My thoughts are with the victim’s family at this incredibly difficult time. Incidents such as this have a devastating impact on families, friends and our local communities.
‘We have a dedicated team of detectives working on the investigation. They have been at the scene overnight and will remain there today as they carry out further enquiries.
‘This work is being supported by additional local patrols who are there to respond to any concerns within the community.’