Anti-war protesters have set up camp outside an arms fair, being held at London's ExCel centre.
The DSEI event is described as the world's largest fully integrated defence and security exhibition, with nearly 30,000 visitors and 1,500 exhibitors.
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Research into property prices has found London has more areas with an average price of more than £1m than anywhere else in the UK.
A permanent memorial will be unveiled today in memory of murdered Middleton soldier Lee Rigby.
The desk and chair where Charles Dickens sat to write his final novels have been bought for the nation using a national heritage grant.