Kate, who is more than eight months pregnant, will stay at home, but William and Harry are expected to be among the congregation to watch Thomas van Straubenzee marry Lady Melissa Percy.
The Duchess' final official public appearance was last weekend when she attended the Trooping the Colour ceremony with other members of the Royal Family.
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Corrie's iconic Deirdre Barlow will be killed off tonight following the death of the actress Anne Kirkbride.
Trains on some of the UK's busiest rail routes will be "significantly" hit by a rail workers' strike from tonight.
A new report stresses the "critical" need for emergency services to adopt text and social media alerts.