US Secretary of State John Kerry has said that US raids in Africa are a signal that the US "won't forget attacks and won't relent in fighting terrorism."
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The world is facing a "global health emergency", according to the World Health Organisation (WHO).
A 25-year-old man has been arrested in Newport, South Wales, in connection with the Parsons Green terror attack, Scotland Yard said.
A milder night ahead with some cloud low enough to be misty in places.