Home Secretary Theresa May told ITV News she believes a reduction of the abortion limit to 20 weeks from pregnancy, instead of the current 24 weeks, would be "right".
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It will be a cloudy and at times damp morning across much of the UK, apart from the far west where it will be dry and bright.
Barack Obama has returned to the political spotlight, campaigning for Democratic candidates ahead of upcoming elections.
The prime minister said there was a "clear and urgent imperative" to give new impetus to stalled negotiations.