"It's too dangerous to go in at the minute, so we're carrying out fire investigation using other means talking to witnesses, interrogating systems that are functioning within the building, so the fire alarm, CCTV etc."
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Very warm, and humid, perhaps locally hot inland, with the best of the sunshine in the east.
Mostly dry overnight. Some warm sunshine Sunday, however thunderstorms possible.
Police in Northampton have launched a murder inquiry after a teenager died of injuries