David Cameron said he was focussed on the economy after the rows within his party on Europe and gay marriage.
The Prime Minister told BBC Radio 4's Today programme that it was "right" to tackle the issue of same-sex marriage and claimed there was a "high degree of unity" amongst the Conservative party on Europe.
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A Met Office warning covering much of England and south-east Wales is expected to remain in place until 11am.
A band of cloud and patchy rain is expected across Scotland and Northern Ireland, moving southeast as the day progresses.