A man shouting and holding knives has been tasered by police outside Buckingham Palace.
The drama unfolded as hundreds of tourists and Londoners gathered to watch the changing of the guard.
A warning - Nick Thatcher's report contains footage that some viewers may find upsetting.
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The City of London Corporation have axed a controversial scheme to allow hunting in Epping after reports of deer being 'disembowelled'.
A burst water main caused serious flooding in south London this morning with businesses and homes left submerged in water.
Campaigners have vowed to block the building of a £50 million Holocaust memorial that is due to be built next to Parliament.