Brexit

What the recent violence might say about the mood in Britain leading up to referendum.

If Britons vote to leave the EU, US trade treaties would need to be renegotiated, and US companies might reassess their business prospects across Europe.

Business people see the pros and cons of Britain quitting the EU.

Major figures warn that if Britain exits the EU, London would lose its crown.

Americans in Britain differ over whether the country should leave the EU.

Immigration into the UK is running at record levels.

Britain's prime minister and London's mayor take opposite sides on staying in the EU.

The president tells Britain it would be a mistake to leave the European Union.

Britain demands concessions on EU migration and fiscal rules at crucial meeting.

Britain could Brexit unless given a pass on rules over migrants and fiscal union.