George Osborne and Ed Balls
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Rate-fixing scandal: How Balls and Osborne came to blows

George Osborne has been urged to apologise, after suggesting shadow chancellor Ed Balls was implicated in rate fixing.

Andrea Leadsom, a member of the Treasury committee, said the chancellor had "made a mistake" with his claim.

But how did the Barclays scandal lead to the row?

Go to next video: Osborne urged to apologise to Ed Balls