The dollar came under pressure against the yen on Friday as rising tension in Ukraine undermined optimism about U.S. economic growth following strong U.S. durable goods data. The dollar traded at 102.30 yen, near a one-week low of 102.085 hit on Thursday, after Ukrainian forces killed up to five pro-Moscow rebels on Thursday as they closed in on the separatists' military stronghold in the east. Russia launched army drills near the border in response, raising fears its troops would invade, while U.S. Secretary of State John Kerry said Washington is drawing closer to imposing more sanctions on Russia. "Although the ... (full story)