Fighting in Ukraine spread along the front line between government troops and pro-Russian rebels as President Barack Obama said the United States will keep increasing economic pressure on the Kremlin to stem the violence.
Russia's War Against Ukraine
Bloomberg: Ukraine clashes broaden as Obama pledges more pressure on Russia
Russia's President Vladimir Putin (R) arrives as (L-R) Canada's Prime Minister Stephen Harper and US President Barack Obama look on during the G20 Summit 'welcome country' ceremony at the Brisbane Convention and Exhibition Center on November 15, 2014 in Brisbane.
