The Labour government has yet to make a real difference because it has only "tinkered" with social problems, Peter Mandelson has claimed.

In an updated version of his book, "The Blair revolution", the former cabinet minister argues that the government must renew itself by promoting its commitment to equality.

"Too many of the worst and deprived communities remain unchanged by five years of Labour," Mandelson writes.

The architect of new Labour also criticises the spin machine that he is often credited for creating.

Mandelson goes on to say: "New Labour's spin machine went into action and, having promised less than we thought we could do, we started hyping more than we were actually achieving."

He also accepts the blame for the "false and damaging" idea that the millennium dome embodied Labour's vision of a modern Britain.