Emergency services at the scene of crash in Stratford-upon-Avon, where five people have been injured and one person is still trapped in the car.
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It could be one of the last royal engagements for the Duchess of Cambridge ahead of the birth of her third child.
Research shows more than two billion nuisance calls were made last year, the majority to people aged over 65.
Cold and windy with sunny spells and occasional wintry showers.