A number of science labs at Southampton University are due to reopen today after closing when a student became ill with chemical poisoning.
Tests revealed the 25-year old PhD chemistry student had arsenic and the highly toxic metal thallium in his body.
The man is being treated at a specialist toxicology unit in Cardiff following the incident more than three weeks ago,
A police investigation is underway but officers say the chemicals are not transmittable and may not be connected with the university at all.
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