`` Ukraine is and must remain one country , '' he said in Kiev on Tuesday at a news conference with Prime Minister Arseniy Yatsenyuk . ` Kerry warns Lavrov that sanctions could be increased . ` ` As a result of what 's going on in Ukraine , '' U.S. troops add drills in Europe . Acting President Oleksandr Turchynov calls for renewal of anti-terror measures . The Russian Foreign Ministry says it will not recognize the new Ukrainian government and is considering retaliatory measures.
Kerry warns Lavrov that sanctions could be increased . ` ` As a result of what 's going on in Ukraine , '' U.S. troops add drills in Europe . Acting President Oleksandr Turchynov calls for renewal of anti-terror measures . The Russian Foreign Ministry says it will not recognize the new Ukrainian government and is considering retaliatory measures.