Robert Weston, 37, died after he was stabbed in Hamilton Crescent on Monday afternoon (February 26). It is believed that the attack began inside a house but officers continue to investigate the circumstances around his death. Police have now said they arrested a 19-year-old man on suspicion of his murder yesterday (February 27). “We remain in the early stages of our investigation, however I am confident there is no wider risk to the community in Harrow. The public can also provide information anonymously to the independent charity Crimestoppers on 0800 555 111.