As she won the South Shields by-election, Labour's Emma Lewell-Buck said the coalition Government was taking the country in the wrong direction.
In her maiden speech, she said: "Mr Cameron, when working families need a Government on their side, you made them pay for a tax cut for millionaires."
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Voting that had been expected on Thursday will now be held Friday instead.
Police were called in amid fears the man may have been poisioned.
Williams is charged with first-degree murder without premeditation, a probation violation and for not having a valid driver’s licence.