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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Dry and sunny tomorrow and feeling warm.
Mild tonight with warm sunny spells and light winds tomorrow.
A section of the M3 has been closed and bomb disposal units are at the scene after reports of "potential hazardous material in the road".