Rachel Reeves leaves Downing Street with her Treasury team on the eve of her first Spring Statement as chancellor.Rachel Reeves will announce a fresh round of welfare cuts as she delivers her make-or-break Spring Statement.In a major embarrassment for the government, the Office for Budget Responsibility says benefits reforms announced last week will raise £1.6 billion less than the chancellor had hoped.As a result, Reeves will be forced to impose even deeper cuts as she desperately tries to balance the nation’s books.The move, to be confirmed in the Commons this afternoon, is likely spark more fury among Labour MPs and disability campaigners.Work and pensions secretary Liz Kendall announced last week that she planned to slash the welfare bill by £5bn, mainly by making it harder for people to claim Personal Independence Payments (PIP).But in their assessment of the state of governme