The head of the presidential office in Kiev, Andrii Yermak, has warned of Ukraine’s potential defeat in the war against Russia if US funding runs out at the end of the year. “And of course, it makes this very high possibility impossible to continually liberate [Ukrainian territory] and [brings] the big risk to lose this war,” Yermak was quoted as saying by US state broadcaster Voice of America on Wednesday. The Ukrainian politican called on the US Congress to pass a billion-dollar package that has been blocked since October. At the same time, Yermak assured that Kiev also has military plans fo…