What next for Welsh devolution?

Concerns over progress of cross party talks on devolution have surfaced just days ahead of an expected announcement on new powers for Wales.

The Welsh Liberal Democrat leader Kirsty Williams says the process in Wales risks being "held back".

BBC Wales understands that a consensus is emerging on handing over powers on energy and voting - but not on issues such as policing and criminal justice.

BBC Wales political editor Nick Servini reports.