MICHAELA PEREIRA, CNN ANCHOR: South Korea firing warning shots this morning at a North Korean patrol boat. This action comes a day after Pyongyang launched a rocket into space. The country says it's for peaceful purposes, however, critics call it a front to test ballistic missiles. Let's get our senior international correspondent, Ivan Watson, who is live in Seoul, South Korea with the very latest for us -- Ivan.</s>IVAN WATSON, CNN SENIOR INTERNATIONAL CORRESPONDENT: Good morning, Michaela. Let's take a look at what North Korean state TV just showed moments ago. It was footage of fireworks, celebrations in Pyongyang, celebrating the launch of this rocket which North Korea says was putting an earth observation satellite into space. The trouble is, is the rest of the world doesn't really see it this way. The United Nations Security Council had an emergency session on Sunday decided that this was a step towards developing North Korea's ability to fire nuclear weapons. It is ballistic missile technology. And it's calling for stricter measures against North Korea. But what measures can be taken? The U.S. and its allies here in the region short of going to war. They have almost no economic leverage over North Korea. So one of the measures the U.S. and South Korea have talked about perhaps deploying are new ballistic defense systems that they could deploy here. In the meantime, as if it couldn't get tense enough, you had the South Korean saying they fired warning shots at a North Korean patrol boat this morning -- Michaela.</s>PEREIRA: All right, Ivan, thank you so much. We'll watch the situation unfold with you. Back here at home, Donald Trump head and shoulders above the pack in New Hampshire polling, but that does not mean he's taking it easy on his opponents. What he had to say about the Rubio factor and coming in to second place to Ted Cruz. That's ahead.
North Korean Officials: Rocket Launch For "Peaceful Purposes"