Celebrations due to be held in Idaho, the hometown of US army Sgt Bowe Bergdahl, have been cancelled.
Bergdahl was released after five years in Taliban captivity amid controversy over the circumstances surrounding his capture.
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Odense zoo plans to publicly dissect a year-old lion - undeterred by outrage at giraffe who was killed in Copenhagen last year.
The Duke and Duchess of Cambridge met young people who have battled mental health issues on Saturday.
Former Chancellor Lord Geoffrey Howe was Margaret Thatcher's longest-serving Cabinet minister, also taking on the role of Foreign Secretary.