Labour leader Ed Miliband says his party "lost touch with people" while in power and is to "start afresh in terms of policy".
"We have to go on a journey and understand where people want to go themselves," he told the Today programme.
Labour, he said, had to stand up for the people whose life was being made "a lot, lot harder" by the coalition - notably what he calls the "squeezed middle".
Pressed by John Humphrys to define who is in that group, he said it was people "above and below" the median salary of £26,000.
"We do have to be a party that speaks up for the vast majority of the population," he said.
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