Nick Clegg's comments that the Coalition had made a mistake by not spending enough on infrastructure came ahead of the latest growth figures, which will be announced today.
He said the figures will reveal what happened in the last three months of 2012 are likely to be "considerably weaker" than over the summer.
More top news
British cyclist Simon Yates has failed drug test but his team are blaming an "administrative error" over an asthma inhaler.
Two ambulances crashed leaving one driver dead and three people seriously injured.
A scandal-hit NHS trust where a teenager drowned in the bath is still failing to protect patients from risk of harm, a watchdog has found.