George Osborne has told BBC's Today programme that he is "in effect" ruling out further cuts to welfare in the Spending Review.
We've just got seven departments to agree to substantial savings. They've accepted cuts of anywhere between eight and 10 percent... It's a difficult decision, I'm not hiding that from anyone - but it's necessary.
More top news
Andy Murray has beaten Belgian David Goffin to win the Davis Cup for Great Britain for the first time since 1936
Mercedes' Nico Rosberg has won the season-ending Abu Dhabi Grand Prix, with team-mate Lewis Hamilton coming second
Celebrities and campaigners have joined a huge rally urging world leaders to agree tough measures to curb global warming