US Treasury Secretary Jacob Lew has said sanctions against Russia could be extended because of the escalation of violence in east Ukraine. He was speaking on a visit to Kyiv, after European Union leaders saidthey would consider "further restrictive measures" on Russia's government.
Russia's War Against Ukraine
BBC: US warns of more sanctions on Russia
A view over the shelled district of Mariupol, through a broken window on Jan. 26.
