The £6 million security operationpublished at 03:42 British Summer Time 19 May 2018
The security operation for the wedding has cost the police more than £6 million, with £3 million spent on overtime costs.
Almost all of Thames Valley Police's officers will be on duty on Saturday.
Airport-style security scanners and bag searches will be in operation in Windsor.
Metal barriers are also in place to deter an attack similar to the one committed at Westminster Bridge in London.
Police have also warned the public against the use of... confetti.
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