Anti-capitalism protesters from the Occupy movement have begun a new protest in the City of London as part of a global day of action.
Other protests are underway in cities including Moscow, New York, Athens and Madrid.
Several hundred people have gathered outside St Paul's Cathedral for a rally, before moving on to demonstrate outside the offices of some of the largest firms in the financial heart of London.
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Nick Herbert, 45, was so frustrated by his son not answering his phone that he designed an app that torments recipients until they reply.
Charlie Alliston, 20, collided with HR consultant Kim Briggs, 44, at OId Street, central London in February last year.
The weapon was found by a member of the public in bushes in Greenford.