Police say they have no reason to believe that there is any risk to public health. They are keeping an open mind as to how the student was exposed to chemicals. Police are holding the inquiry along with the Health and Safety Executive.
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Friday morning's weather for the East of the region
Friday morning's weather for the West of the region
Five men who died in the water off Camber Sands were friends who had arrived to spend the day at the beach together, ITV News understands.