The Work and Pensions Secretary has welcomed a fall in unemployment, which now stands at 362,000 in the capital and 2.5 million across the UK.
It means the number of people claiming jobseeker’s allowance has fallen to a near two-year low.
But during an explosive interview with LBC 97.3’s James O’Brien, Mr Duncan-Smith was questioned about the reliability of the figures and the effectiveness of government policy for getting more people back to work.
Listen to the amazing exchange in full below
Iain Duncan Smith’s explosive argument with James O Brien