Mayor of London Boris Johnson told LBC 97.3 Radio that those planning Margaret Thatcher funeral demonstrations "could not use the death of an elderly person for a riot or an affray".
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A number of wild baby animals have died after being illegally picked up by people thinking they had been abandoned - or wanting a selfie.
Any car registered before 1997 will be affected by the ban - and the UK is about to follow suit with the introduction of Clean Air Zones.
The Premier League club confirmed the charismatic Swede's arrival with a Twitter video in which he declared, "It's Zlatan time."