David Cameron speaking in Brussels
Media playback is unsupported on your device

Cameron: 'Britain will never be part of European superstate'

20 February 2016 Last updated at 09:13 GMT

The 28 European Union leaders have finally agreed a deal, re-writing the terms of Britain's membership, after extending their summit in Brussels into a second evening.

At a news conference David Cameron said he had "delivered on the commitments" he made at the start of the process.