Downing Street is weighing whether to extend plans to replace key disability benefits for under-25s with work and training support to all working ages, with cabinet ministers examining how the "participation first" idea could apply to over-25s ahead of Alan Milburn and Stephen Timms reviews. Government sources are split on whether the expansion will survive a Labour backlash, charities including the Joseph Rowntree Foundation warn of weakened safety nets, and the Guardian reports the move would be politically risky after last year's benefits rebellion.