The fire service say investigators will be arriving at the scene of this morning's blaze at Blackwood's Pound Stretcher store shortly to begin an investigation into the blaze.
Crews will spend the rest of the day dampening down the building say officers.
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Wales are hopeful all of their fresh injury concerns will be available ahead of the opening game of the autumn series against Australia.
Fitness instructor Phil Carleton is world powerlifting champion, despite only taking up the sport in the summer.
Cloudy for all with the odd spot of rain, particularly across central and southern parts of Wales.