Devolution: 'No radical change' needed, says UK government
6 March 2013 Last updated at 19:07 GMT
The UK government says it does not believe there is a case for "radical" changes to Welsh devolution.
The Conservative-Lib Dem coalition also suggests responsibility for policing, broadcasting and large energy projects should be retained at Westminster.
Its submission to the second part of the Silk Commission looking at the scope of the assembly's powers says arrangements are largely satisfactory.
But it says teachers' pay and rail franchising could be devolved.
Parliamentary correspondent David Cornock reports.