Professor Noel Lloyd, a member of the Silk Commission, says that even though this opinion poll shows clear support, it won't forget that there are many 'shades of opinion' on devolution.
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It will stay mostly dry with clear spells tonight. However, we may see a few showers around western coasts by dawn.
The announcement comes as part of efforts to tackle air pollution.
The Shadow Chancellor, John McDonnell, says tariff free access to the single market is their objective.