Warsaw, 11/07/2016 (Agence Europe) - During a meeting attended by Ukrainian president Petro Poroshenko on Saturday 9 July on the sidelines of the NATO summit in Warsaw, French and American presidents François Hollande and Barack Obama, British and Italian prime ministers David Cameron and Matteo Renzi, and Germany's Chancellor Angela Merkel agreed on “the importance of injecting fresh momentum into implementation of the Minsk Agreement”, as the British prime minister's website...