The PM said the he had no plans to legislate, although he hinted ministers would not stand in the way of MPs attempting to introduce a backbench Bill.
Meanwhile, Home Secretary Theresa May echoed Culture Secretary Maria Miller earlier this week in suggesting a more limited reduction to 20 weeks.
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Amanda has a forecast of unsettled weather in the west for Bank Holiday
Amanda Houston has the latest weather forecast for the east of the Meridian region.
The latest weather forecast for the west of the Meridian region from Amanda Houston.