Obama, EU leaders agree to put more costs quickly on Russia if needed over Ukraine

WASHINGTON (Reuters) - U.S. President Barack Obama and his European counterparts agreed on Tuesday to act quickly to impose additional costs on Russia if peace agreements in the Ukraine conflict were not implemented.

"The leaders expressed their hope for the successful and complete implementation of the Minsk agreements and agreed that the easing of current sanctions would be linked to the full implementation of these agreements," the White House said in a statement.