Commuters on London King's Cross service
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Rail fares 'not value for money'

5 October 2012 Last updated at 18:06 BST

The prime minister has told the BBC he is not satisfied that commuters are continually facing rising rail fares.

In the new year some fares will rise by more than twice the rate of inflation.

BBC London's Tom Edwards asked commuters using services into London's King's Cross if they thought they were getting value for money.