infrastructure in most cases. it leaves an obstacle in the roadways and also talking about a mountainous region and a place where coastal regions are prone to storm surge. and aftermath in term of these kinds of events and navigating, getting to where you need to go, ven if you're going by helicopter to conduct these rescue operations you have to wait for the weather to clear to make those operations operable. the difficulty of conducting search and rescue operations, you've got the difficulty in this case there's just been limited communication. that means it's taken officials longer to understand where they might have to be. they did have this optimistic announce want earlier this morning there had been no reported casualties or fatalities at that point. but we will get the next assessment within the next hour. obviously hoping that picture is staying very much the same even as we see images of some debris