Transcript for South Korean warships carry out live-fire exercises

That is why president trump spoke with Florida's governor Rick Scott last night offering help to prepare for the storm and this comes as tensions escalate over North Korea's nuclear program after that powerful hydrogen bomb test explosion. U.N. Ambassador Nikki Haley said North Korea is begging for war. Our chief attorney correspondent Terry Moran is on the scene in Seoul. Good morning, Terry. Reporter: Good morning, George. The war of words is escalating. That's for sure. A north Korean foreign ministry official now saying that massive nuclear test was a, quote, gift package addressed to the U.S. And that there would be more of those gift packages unless the U.S. Stops what he called its reckless provocations. This morning, south Korean warships carrying out live fire exercises and checking their combat positions off the Korean coast. Just hours after U.S. Ambassador Nikki Haley deliberately escalated the rhetoric at the united nations issuing a blunt belligerent warning to north Korean dictator Kim Jong-un. His abusive use of missiles and his nuclear threats show that he is begging for war. Reporter: President trump emphasizing all options to address the north Korean threat are on the table in a call to German chancellor Angela Merkel who is pleading for more diplomacy and another military move. The president green lighting South Korea's request for more powerful warheads on its missiles all this to keep north Korea and the world guessing about a possible U.S. Military strike. Mr. President, will you attack North Korea? We'll see. Reporter: World leaders are demanding the U.S. Tone down the rhetoric. Vladimir Putin saying today in North Korea they will eat grass but still not give up this nuclear program if they don't feel themselves to be secure. We need to bring all the interested sides to a dialogue. But that nuclear test may have changed the equation. A U.S. Intelligence official now confirming to ABC news the huge blast was a test of an advanced nuclear device. North Korea saying it was a hydrogen bomb and that threat may cross America's red line. For south Koreans the shadow of war is deepening by the day. At a market we visited in Seoul, a young family tells us it's all getting too real. Are you scared at all? "I'm afraid if there is a war," he says, "I will have to leave my children and wife behind and fight." The fear is real. One thing you don't see is any kind of real civil defense preparations. No one knows their muster points. No one has an exit point. No one is stocking food or water. Almost as if for the people here war is unthinkable but not impossible. That's the point. We'll bring in our military

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