Cynthia Thomas, the sister of missing pensioner Trevor Elias, says she keeps expecting him to walk in through the door.
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The University said its staff and students will be informed of any changes as it deals with an ongoing incident.
Hannah Turtle, 22, from Shotton, is accused of murdering her seven-week old son James in 2016.
Terms of reference for a probe that will looking into a health board's handling of sex abuse claims against a former employee are published