SEOUL -- Missile tests this week by both North and South Korea have raised tensions on the peninsula, as Pyongyang looks to strengthen its leverage over Washington, and Seoul continues to bolster its defensive prowess.
Analysts say Kim Jong Un wants to strengthen leverage over U.S.

North Korea fires a ballistic missile from a train in a central part of the country on Wednesday. © KCNA/Kyodo
SEOUL -- Missile tests this week by both North and South Korea have raised tensions on the peninsula, as Pyongyang looks to strengthen its leverage over Washington, and Seoul continues to bolster its defensive prowess.