The emergency services will be tested today during an exercise at Wylfa nuclear power station on Anglesey.
The test will check the response of all the emergency services in the event of an incident involving the transport of radioactive material.
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A pleasant end to the day with late evening sunshine for most. However, skies will soon clear and it'll turn chilly with light winds.
Three men have been arrested after an incident this morning in Cardiff. Two people are in a stable condition in hospital.
Pictures posted on twitter show an officer with a bandage around his head and blood on his neck