Hundreds of people have been arrested in a 48-hour city crackdown on drink and drugs offences.
22 venues were temporarily closed, including a popular club in Brick Lane, which was shut by police following the arrest of several suspected drug dealers.
Edward Baran has the story:
More top news
The 20-year-old was found fatally wounded on Roth Walk, near Finsbury Park, north London at around 3am on Saturday, Scotland Yard said.
Police have arrested a man wanted in connection with a burglary at the home of pensioner Richard Osborn-Brooks.
The rally comes after it emerged that the Home Office destroyed thousands of landing cards documenting the arrival of windrush-era migrants