US Vice President Joe Biden will discuss the situation in Ukraine with European leaders in Brussels on Friday, including the possibility of imposing "additional costs" on Russia.
Vice President Biden will also discuss options for helping Ukraine in its armed conflict with rebels, including security and financial aid.
He is due to meet German Chancellor Angela Merkel and Ukrainian President Petro Poroshenko at a security conference in Munich.
Video footage recorded from Kramatorsk, deep inside Ukrainian-government controlled territory, shows rockets landing on civilian areas.
Video footage appears to show the moment a shell strikes a community soup kitchen in eastern Ukraine.
A mother in eastern Ukraine buries her son - yet another casualty in a civil war that is killing civilians with appalling randomness.