The main Syrian political opposition group in exile, the Syrian National Coalition, said it had agreed y to attend internationally sponsored peace talks beginning in Switzerland next week.
The "Geneva 2" talks with representatives from President Bashar al-Assad's government start in Montreux on Wednesday and are seen as the most serious international effort yet to end the near three-year conflict.
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The PM promises to double to 200,000 the number of homes built under an existing scheme aimed at easing Britain's housing shortage.
The Met Office has weather warnings in place for snow and ice until 10am in the north and west.
The plan, which would effectively strip banks of the benefit of recent corporation tax cuts, forms part of the party's election manifesto.