US President Donald Trump has expressed confidence that Washington can successfully negotiate the end of the Ukraine conflict "this week," White House Press Secretary Karoline Leavitt said Saturday.

乌克兰与美国在关键矿产协议问题上的僵局出现了松动的迹象。乌克兰总统弗拉基米尔·泽连斯基（Volodymyr Zelenskyy）周五晚间表示，美国与乌克兰官员有可能在几个小时内签署这个协议。