Readout of the President's Calls With Prime Minister Cameron, President Komorowski, and Chancellor Merkel
President Obama spoke separately this afternoon with Prime Minister Cameron of the United Kingdom, President Komorowski of Poland, and Chancellor Merkel of Germany. The leaders expressed their grave concern over Russia's clear violation of Ukrainian sovereignty and territorial integrity, which is a breach of international law and a threat to international peace and security. The leaders stressed that dialogue between Ukraine and Russia should start immediately, with international facilitation as appropriate.
Barack Obama, Readout of the President's Calls With Prime Minister Cameron, President Komorowski, and Chancellor Merkel Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/305306