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.
More top news
The Met Office has extended its weather warnings for snow and ice to cover vast swathes of the country, including London and the South East.
A total of 270,000 documents is expected to be submitted to the inquiry.
In September TfL refused to renew Uber's licence on the grounds of "public safety and security implications".