Shadow Chancellor Ed Balls told ITV's Daybreak that the Treasury and George Osborne "are playing with fire" after the Evening Standard published details of the Budget on Twitter before the Chancellor's speech.
He said: "If the Treasury and the Chancellor give out to the Evening Standard the market sensitive fiscal forecasts they are playing with fire. I have never heard of that before."
A round up of the press' reaction to George Osborne's Budget 2013.
The borrowing figures announced by the Chancellor today were as bad, if not worse, than expected.
Conservative sources in the coalition said there will be no more welfare savings in the 2015/16 spending round.