Ukrainian Prime Minister Arseniy Yatsenyuk says there are 10,000 Russian military boots on their soil in an interview with Wolf Blitzer.
Russia's War Against Ukraine
CNN: Yatsenyuk says 10,000 Russian military boots on our soil (INTERVIEW)

Ukrainian Prime Minister Arseniy Yatsenyuk attends a press conference after a meeting with German Chancellor on April 1, 2015 at the chancelelry in Berlin.