Is optimism over economy and GDP figures merited?

The UK economy grew an estimated 0.6% in the three months to June, officials figures from the Office for National Statistics (ONS) show, with output growing in all of the construction, manufacturing, services and agriculture.

The Chancellor George Osborne says it shows the economy is "on the mend", but despite the relatively strong figure, analysts say the outlook for the rest of the year remains uncertain.

Here Newsnight's Paul Mason interviews the chancellor and assesses whether the economic performance which has put a spring in his step is likely to last.