The Public and Commercial Services Union is launching a UK wide tour to protest against planned closures of 39 regional DVLA offices.
The DVLA says motorists will get a better quicker service and taxpayers a saving of 26 million pounds.
In July, the UK Government announced plans to close 39 of the DVLA's regional offices. 1,200 jobs would be at risk due to the proposals, although 450 roles would be created at its Swansea headquarters.
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The 11 year project has removed over 120 tonnes of rubbish and larger items from the river since it began in 2004.
A new law will come into force today to ensure people who are homeless or facing homelessness receive help as early as possible.
A mainly fine start to the day turning showery later with more rain to come throughout the week.