Bradley Manning's lawyer has told NBC's Today show that the US soldier wants to begin hormone therapy in order to live life as a woman and be known as Chelsea Manning.
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Reports in the Daily Mail and the Telegraph said published guidance has been changed for 2018 to only fly the Union flag on Remembrance Day.
The author, who explored feminist themes, was best known for her Earthsea books.
Jon Lansman denied reports that the group's supporters had drawn up a deselection hit-list of 50 centrists.