David Cameron was picked up on a Commons microphone on Wednesday complaining prime minister's questions is getting "longer and longer".
The half-hour session often overruns by a few minutes at Speaker John Bercow's discretion - much to the frustration of the prime minister.
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After today's edition of PMQs, which ran beyond 12.30pm, Cameron approached Bercow. "Prime minister," The Speaker can be heard to say. "It's getting longer and longer," Cameron replied.