Lincolnshire Police has named a 21-year-old woman, who died suddenly in Lincolnshire as Emma Crossman.
A 21-year-old woman has been arrested on suspicion of assisting suicide followingMs Crossman's death in Sleaford. She remains on police bail.
Police says an inquest into the woman's death will not be opened and adjourned until the criminal investigation has concluded.
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The headteacher of Saffie Rose Roussos's primary school has paid tribute to the little girl who was "beautiful in every sense of the word".
Ten people have died on the mountain so far this climbing season - four more than mountaineering officials expect in a typical year.