A young man has died in hospital and another is being treated for stab wounds after a gang fight in Ealing this afternoon.
It is believed trouble flared after a confrontation outside shops in The Mall, near Ealing Broadway before spreading along Gunnerbury Lane, where the two victims were found.
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The terror attack carried out by Khalid Masood at Westminster that left four people dead lasted less than two minutes say police.
Two knives were found at the scene in Islington, North London, and the suspects fled on foot before being arrested.
The family of the police officer who was murdered in the Westminster attack have thanked those who were with him 'in his last moments'.