Russia on Saturday accused the United States of increasing the risk of war with its warnings of a possible imminent invasion of Ukraine, as an increasing number of governments advised their citizens to leave the country. The “propaganda campaign” of the United States and its allies was “provocative,” Moscow said after a telephone conversation between Foreign Minister Sergei Lavrov and his US counterpart Antony Blinken. Kiev is being encouraged to “sabotage the Minsk agreement” and pursue “a military solution to the Donbas problem,” it said, referring to a region in eastern Ukraine where pro-Ru…