Experts are warning that another solar-superstorm on the scale of the 1859 Carrington event is inevitable.
The Earth was hit by a tidal wave of energetic particles following a large solar flare.
An example of an eruption associated with solar flares on the sun.
A new report from the Royal Academy of Engineering has suggested a UK Space Weather Board is needed, to lead and supervise government strategy for coping with such a radiation blast if it were to happen again.
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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.