Legal

Former cabinet secretary and head of the civil service clashes with Lib Dem chief whip over plans to obstruct tax credit cuts in the House of Lords

Institute for Government finds it is "much harder than it should be" to establish evidence base for public policymaking – and launches new tool to help officials

Public Accounts Committee chair Meg Hillier questions MoJ's "management of taxpayers’ money" – but MoJ points to savings made from the closure

Diplomatic source says “more likely” move to curb benefits will result in restrictions lasting “months rather than years”

More say over Assembly procedures, energy and transport promised in Draft Wales Bill

Home secretary says it is right that cabinet ministers are "not making comments" on Heathrow's third runway until final government decision

EVEL plans should be "piloted on statutory instruments"; pension freedoms could be putting savers at risk – the latest from the House of Commons select committees

Investigatory Powers Tribunal says Wilson Doctrine has 'no legal effect'

Interim chief inspector of probation Paul Wilson tells CSW he is optimistic about the 'Transforming Rehabilitation' scheme – but warns over “more for less” culture

Justice secretary Michael Gove tells MPs that Just Solutions International – the commercial arm of the National Offender Management Service – will abandon deal to advise Saudi Arabia on running of prisons

David Mundell says "top up" payment will herald "new era of devolution"

Sheffield City Region Combined Authority will get transport, planning and skills powers