Allison Schmitt of the United States won in Olympic record time in the 200 metres freestyle final with Caitlin McClatchey finishing seventh at the Aquatics Centre tonight.
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Donald Trump halted his campaign to promote his new high-priced hotel, a short walk from the White House, as a metaphor for his presidency.
Scientists at Imperial College London have developed modified mosquitoes that could help wipe out the deadly malaria parasite.
It will be fairly dense in the south, with visibility down to 50 metres in some parts.