A teenager has been arrested on suspicion of murder after a 16-year-old boy was stabbed to death in west London.
Police and paramedics found a 16-year-old male with stab wound.
Despite the efforts of medical professionals he was pronounced dead at the scene at 8.25pm.
Formal identification is yet to take place.
A 16-year-old male was arrested on suspicion of murder at an address in Hillingdon on Sunday, January 2.
He remains in police custody.
The victim’s family, who are being supported by specialist officers, have been informed.
Detective James Shirley said: “While this arrest is a significant development in our investigation, we continue to fully explore all available lines of enquiry.
“Our thoughts remain with the family of a young man who has lost his life to senseless violence.
“We are committed to doing all we can to secure justice for them by finding the person or people responsible.
“I would urge anyone who has information and who has not yet spoken to the police to come forward. What you know could be the thing that makes the difference in this case.”
Anyone with information that could assist police is asked to call the incident room on 020 8721 4266 or on 101, quoting reference 5666/30DEC.
Information can also be provided to Crimestoppers, anonymously, on 0800 555 111.