A 37-year-old man and a 34-year-old woman from Bristol have been arrested on suspicion of assisting Brian Grady escape from prison. Both are in custody helping police with their enquiries.
Police are still trying to Mr Grady.
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Heavy showers overnight, hail and thunder possible, humid
Heavy showers overnight, humid, thunder possible
The Maltings shopping centre was closed to the public after a small amount of the Novichok substance was found in the area.