British nationals have been advised to leave Benghazi in Libya, just a week after four Britons were killed in a terrorist attack in In Amenas, Algeria.
More top news
Satoshi Uematsu, 26, was sent to the Yokohama District Public Prosecutors Office in Kanagawa prefecture.
West Yorkshire Police confirmed a 32-year-old woman was taken into custody in connection with the alleged threats.
Five women shared their views about whether Hillary Clinton's Democratic presidential nomination is a defining moment in US history.