Speaking at the Ministry of Defense, Ukraine’s Prime Minister Arseniy Yatsenyuk announces that the conflict between Ukraine and Russia has reached a military stage. Yatsenyuk stated that the Russians opened fire on Ukraine’s military personnel in Crimea and called to immediately convene a meeting of defense ministers of Ukraine, US, UK and Russia, as per Budapest Memorandum.
Russian: http://www.unian.net/politics/897926-yatsenyuk-zayavil-chto-konflikt-s-rf-pereshel-v-voennuyu-stadiyu-i-prosit-sobrat-komissiyu.html