Very quickly this morning, it became clear that a major emergency was taking place in Kent. Hospitals across the county - and in London - were put on standby to receive the injured. Most of the serious casualties were taken to the Medway Maritime Hospital.
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A poisonous dust cloud that can trigger breathing problems is heading our way - just as we look forward to the expected heatwave.
Friday morning's forecast for the west of the region
Friday morning's forecast for the east of the region