Thousands of people have been donating to Claire Squires Just Giving page.
The thirty year old collapsed and died during yesterday's London Marathon.
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From Friday, Viagogo must publish the names and addresses of touts, those who sell more than 100 tickets a year via the site, to consumers.
Researchers at the Royal Botanic Gardens, Kew, have found that 75 of the world's 124 wild coffee species are under threat.
Molly Morgan fell to the ground, hitting her head and died in hospital the following day.