Jean-Claude Juncker denied being a federalist after being elected as European Commission President.
Mr Juncker told ITV News Political Correspondent Carl Dinnen that he did not want a "United States of Europe". He added: "I will negotiate with David Cameron and others, and will make a fair deal with him".
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In a rallying call at the Democratic National Convention, the former US president said Hillary is 'the best darn change-maker I ever met'.
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.