A group of veterans will gather at Bletchley Park near Milton Keynes today to celebrate the 70th anniversary of the world's first electronic computer.
The Colossus was developed for British code-breakers during the Second World War to help them read and intercept high-level German army messages.
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It will be sunny and warm inland this afternoon, although the north Norfolk coast will be plagued by low cloud at times.
Investigation carried out after it emerges warnings about a doctor convicted of sex crimes against children were not passed on to police