Cameron's referendum pledge could be defining moment

For the first time in a generation, the possibility of Britain leaving the EU is on the mainstream political agenda.

This report is by political editor Tom Bradby:

Read: Tom's analysis of why the EU referendum pledge was "a huge moment in British politics"


Clegg criticises EU referendum

David Cameron's EU referendum promise is "not in the national interest" and risks derailing the fragile UK economy, Deputy Prime Minister Nick Clegg warned.