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PMQs: Speaker Bercow reminds Cameron to answer question

6 November 2013 Last updated at 15:35 GMT

The Speaker appeared to mock the prime minister for not answering a question put to him by a Labour backbencher at PMQs.

John Cryer asked about the cost of employment tribunals, but David Cameron spoke about trade unions being "led so badly by bully boys", and Labour's relations with Unite.

But John Bercow then told the PM that it was a "good idea to try to remember the essence of question that was put".

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