Chair of the Plaid Cymru group in the assembly Dr Dai Lloyd said the new Westminster government must refocus on the "legitimate bid" the assembly had unanimously made for a referendum.

BBC: Cheryl Gillan MP

The launch linking Labour leaders at both Westminster and the assembly underlines the difficult balancing act facing politicians post-devolution.

BBC: Labour's pledge card for Wales

The DUP and its main coalition partner Sinn Fein have been at loggerheads in recent months over the devolution of policing and justice powers from Westminster to the Assembly in Belfast.

BBC: Peter Robinson steps aside as NI first minister