They could not break away. It would need a complete reorganisation of local government in Wales. The Welsh Government view is that many councils are already too small and hence the reason why they are forcing collaboration. This is a non-starter.
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From pensioners to first-time buyers to public sector workers, a rundown of how today's Autumn Statement and Spending Review affect you.
Patchy, light rain and drizzle will continue this afternoon. Brightening from the west later. A mild and dry night to come.
With the Welsh Government expecting major reductions to its spending budget, those working in education are concerned.