Tests have now established that the student's body had a quantity of the chemicals thallium and arsenic. It’s is not known at this stage how the chemicals entered the student’s body but as a precaution Southampton University has closed some of its research chemistry labs.
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Philippa has the latest weather update for the east
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Triple killer Tobin 'definitely left other victims' says detective. Two of his victims were found buried at his former home in Margate