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:
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John Cantlie, who worked for a number of Fleet Street newspapers, is thought to have been taken hostage in November 2012.
The union published a 'no show' league table for last year the worst offenders for cancellations.
Zalkalns was jailed in his native Latvia for eight years in 1988 after he admitted killing his wife with a piece of electrical equipment.