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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Largely dry with cloud and some sunny spells this afternoon with light winds.
Dry with sunny spells and light winds.
Union boss says he "deeply regrets" the disruption to people's travel plans after several days of talks failed to break the deadlock.