A spokesman for the Northern Constabulary has said:
Police can confirm a number of people were caught up in the avalanche. There are possibly three people unaccounted for. Searches are continuing in the area.
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Rain will spread eastwards across southern areas tonight. Clear and frosty in the north.
Political leaders will go head-to-head at ITV's studios in MediaCityUK in Salford, ITV has confirmed, as the set for the event is unveiled.
More than 100 people claiming to represent working people across Britain have signed a letter backing Labour in the general election.