A crowd of people are chanting in Egypt's Tahrir Square ahead of expected demonstrations marking the second anniversary of the uprising that toppled President Hosni Mubarak.
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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.