Police launch a murder investigation after a 22-year-old man is stabbed in Cranford, near Heathrow Airport. Reports say the incident happens on the A4 road in the Cranford area. Following the stabbing, officers close or restrict the Heathrow Road area as they respond to the incident and carry out their enquiries. The sources agree the victim is a man aged 22 and that the circumstances are being treated as a homicide. Details about the suspect, motive, and any arrests are not provided in the information available from the outlets. The investigation is ongoing, and police continue to work at the scene while transport disruption remains in place due to the road closure/restriction. No further confirmed information is included in the excerpts beyond the establishment of a murder probe and the initial response measures at the location.