U.S. Secretary of State John Kerry had strong words on Feb. 21 for Russia over what he called its unacceptable actions in Ukraine - and threatened additional sanctions against Russian interests.
Russia's War Against Ukraine
CNN: Kerry threatens further sanctions over ‘craven’ Russian actions

Ukrainian President Petro Poroshenko (R) and US Secretary of State John Kerry (L) take part in a joint press conference after a bilateral meeting in Kyiv, on Feb. 5, 2015.