let's go right now to kerm jack jacob, ms nbc daily analyst and author of nuclear showdown, north korea takes on the world. gentleman, welcome to you in this tense time here. colonel, we we heard miguel say it would take 14 minutes to leave north korea and get to guam. you we heard the sirens would immediately be put into place and launched. how about the u.s., how long would it take for us to know something had been launched in qualm's direction? >> we might know almost immediately, we are monitoring everything inside north korea. until recently, we had a great deal of notice, because they didn't have mobile launchers. now they have mobile launchers, as a result we have less warning, but we'll know immediately even before its launch and have some warning. but you got to say, it's unlikely that a nuclear weapon is going to be launched at guam, because although they say they have miniaturized weapons, the fact of the matter is we don't know if they are capable of putting it on a missile and whether or not the warhead would be able to survive coming back into the atmosphere. still, it's a

they have kermed. kermed. confirmed. a lot more people are injure eddics the video indicates. perhaps a lot more dead we'll learn later on. obviously, in this country, lisa would know this from her experience, at this moment you have the fbi, national counterterrorism center, cia. all the intelligence community and agents in contact with spanish authorities to see if they can lend assistance. one of the big concerns for american authorities is whether any u.s. persons might be affected or injured or killed in this attack. the spanish police now cataluna police saying it was a terrorist attack. they say they're searching for the person driving the van, it's van that carried out this attack driving 50 miles an hour down this busy, busy corridor. 59-o at this point, wolf, i wasn't able to hear whether they have information about the reports of people being held hostage or two gunmen who had gone into a bar or a restaurant there near the scene. that obviously is something that they're still trying to figure out at this point, but the police didn't give clarity in the moment we wer