Two men have been taken to hospital with suspected stab wounds after a gang fight broke out in The Mall, near Ealing Broadway.
Police said they were called shortly before 3.15pm today to reports of youths fighting. The London Ambulance Service was subsequently called in which both men were taken to a central London hospital.
One of the males was pronounced dead at the hospital, while the other is believed to have injuries that are not life-threatening. No arrests have been made yet.
Any witnesses or anyone with any information should call police on 101 or Crimestoppers anonymously on 0800 555 111.
More top news
The RSPCA alongside fire and rescue teams were called to help save a cat which got itself stuck in between a 15cm wall.
A glitch on TfL's Journey planner has begun renaming some of London's most popular stations.
Breaking Into News is an initiative run by the Media Trust in partnership with ITV News and ITN to find broadcast journalists of the future.